ALGEBRA+TRIGONOMETRY-MYLAB MATH W/ETEXT
7th Edition
ISBN: 9780137394050
Author: Blitzer
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 4.4, Problem 116E
(a)
To determine
To find : the number of percentages of gross domestic product going toward health care in
(b)
To determine
To find : the year in which gross domestic product going toward health care will be
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
I used a function to model data from 1990 through 2015. The independent variable in my model represented the number of years after 1990, so the function’s domain was {x| x = 0, 1, 2, 3, ......, 25}.Determine whether the statement makes sense or does not make sense, and explain your reasoning.
The number of hours of video uploaded to YouTube per minute is shown in the table below.
Year
# of hours of video uploaded per minute
2007
6
2008
10
2009
20
2010
24
2011
48
2012
60
2013
100
Let y be the video upload rate at x years since 2005.
Construct a scatterplot by hand.
Is the relationship linear or exponential? Increasing or decreasing?
Write an equation modeling the number of hours of video uploaded per minute if the initial number of hours is 2.6 and it increases by 59%.
Use your equation to find the number of hours uploaded in 2015.
An aerobic exercise instructor remembers the data given in the following table, which shows the recommended maximum exercise heart rates for individuals of the given ages.
Predict the maximum exercise heart rate of a person who is 72 years old
Age (x years)
20
30
40
50
60
Maximum heart rate (y beats per minute)
170
168
153
147
136
Chapter 4 Solutions
ALGEBRA+TRIGONOMETRY-MYLAB MATH W/ETEXT
Ch. 4.1 - Fill in each blank so that the resulting statement...Ch. 4.1 - The graph of the exponential function f with base...Ch. 4.1 - 3. The value that approaches as n gets larger and...Ch. 4.1 - Consider the compound interest formula...Ch. 4.1 - 5. If compound interest is paid twice a year, we...Ch. 4.1 - In Exercises 110, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...
Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 1-10, approximate each number using a...Ch. 4.1 - In Exercises 11-I8, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18, graph each function by making...Ch. 4.1 - In Exercises 11-18,graph each function by making a...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 19-24, the graph of an exponential...Ch. 4.1 - In Exercises 25-34, begin by graphing f(x)=2x ....Ch. 4.1 - In Exercises 25-34, begin by graphing . Then use...Ch. 4.1 - In Exercises 25-34, begin by graphing . Then use...Ch. 4.1 - In Exercises 25-34, begin by graphing f(x)=2x ....Ch. 4.1 - In Exercises 25-34, begin by graphing f(x)=2x ....Ch. 4.1 - In Exercises 25-34, begin by graphing . Then use...Ch. 4.1 - In Exercises 25-34, begin by graphing f(x)=2x ....Ch. 4.1 - In Exercises 25-34, begin by graphing . Then use...Ch. 4.1 - Prob. 33ECh. 4.1 - In Exercises 25-34, begin by graphing f(x)=2x....Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of f(x)=c4 . In...Ch. 4.1 - The figure shows the graph of f(x)=c4 . In...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of f(x)=c4 . In...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of . In Exercises...Ch. 4.1 - The figure shows the graph of f(x)=c4 . In...Ch. 4.1 - Prob. 47ECh. 4.1 - Prob. 48ECh. 4.1 - In Exercises 47-52, graph functions f and g in the...Ch. 4.1 - Prob. 50ECh. 4.1 - Prob. 51ECh. 4.1 - Prob. 52ECh. 4.1 - Use the compound interest formulas A=P(1+rn)nt and...Ch. 4.1 - Prob. 54ECh. 4.1 - Use the compound interest formulas A=P(1+rn)nt and...Ch. 4.1 - Prob. 56ECh. 4.1 - Prob. 57ECh. 4.1 - Prob. 58ECh. 4.1 - Prob. 59ECh. 4.1 - Prob. 60ECh. 4.1 - In Exercises 61-64, give the equation of each...Ch. 4.1 - In Exercises 61-64, give the equation of each...Ch. 4.1 - In Exercises 61-64, give the equation of each...Ch. 4.1 - In Exercises 61-64, give the equation of each...Ch. 4.1 - Use a calculator with a key or a key to solve...Ch. 4.1 - Prob. 66ECh. 4.1 - Prob. 67ECh. 4.1 - Prob. 68ECh. 4.1 - Prob. 69ECh. 4.1 - Use a calculator with a key or a key to solve...Ch. 4.1 - Prob. 71ECh. 4.1 - Prob. 72ECh. 4.1 - Prob. 73ECh. 4.1 - Prob. 74ECh. 4.1 - Prob. 75ECh. 4.1 - What is an exponential function?Ch. 4.1 - What is the natural exponential function?Ch. 4.1 - Prob. 78ECh. 4.1 - Prob. 79ECh. 4.1 - 80. Describe how you could use the graph of to...Ch. 4.1 - 81. You have $10,000 to invest. One bank pays 5%...Ch. 4.1 - a. Graph y=er and y=1+x+x22 rectangle. b. Graph...Ch. 4.1 - Prob. 83ECh. 4.1 - Prob. 84ECh. 4.1 - Prob. 85ECh. 4.1 - Prob. 86ECh. 4.1 - Prob. 87ECh. 4.1 - Prob. 88ECh. 4.1 - In Exercises 87-90, determine whether each...Ch. 4.1 - In Exercises 87-90, determine whether each...Ch. 4.1 - 91. The graphs labeled (a)-(d) in the figure...Ch. 4.1 - Prob. 92ECh. 4.1 - Prob. 93ECh. 4.1 - Prob. 94ECh. 4.1 - Prob. 95ECh. 4.1 - Solve and graph the solution set on a number line:...Ch. 4.1 - Exercises 97-99 will help you prepare for the...Ch. 4.1 - Prob. 98ECh. 4.1 - Exercises 97-99 will help you prepare for the...Ch. 4.2 - 1. is equivalent to the exponential...Ch. 4.2 - The function f(x)=logbx is the _________ function...Ch. 4.2 - 3. ________
Ch. 4.2 - 4.
Ch. 4.2 - logbbx=Ch. 4.2 - blogbx=Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - Fill in each blank so that the resulting statement...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 1-8, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 9-20, write each equation in its...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - 27.
In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21-42, evaluate each expression...Ch. 4.2 - In Exercises 21- 42, evaluate each expression...Ch. 4.2 - In Exercises 21- 42, evaluate each expression...Ch. 4.2 - Graph f(x)=4x and g(x)=log4x in the same...Ch. 4.2 - Graph f(x)=5x and g(x)=log5x in the same...Ch. 4.2 - Graph f(x)=(12)x and g(x)=log(12)x in the same...Ch. 4.2 - 16. Graph and in the same rectangular coordinate...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 47-52, the graph of a logarithmic...Ch. 4.2 - In Exercises 53-58, begin by graphing...Ch. 4.2 - In Exercises 53-58, begin by graphing f(x)=log2x ....Ch. 4.2 - Prob. 55ECh. 4.2 - Prob. 56ECh. 4.2 - In Exercises 53-58, begin by graphing f(x)=log2x....Ch. 4.2 - Prob. 58ECh. 4.2 - Prob. 59ECh. 4.2 - The figure shows the graph of . In Exercises...Ch. 4.2 - The figure shows the graph of f(x)=logx . In...Ch. 4.2 - Prob. 62ECh. 4.2 - Prob. 63ECh. 4.2 - Prob. 64ECh. 4.2 - The figure shows the graph of . In Exercises...Ch. 4.2 - Prob. 66ECh. 4.2 - Prob. 67ECh. 4.2 - Prob. 68ECh. 4.2 - The figure shows the graph of f(x)=lnx . In...Ch. 4.2 - Prob. 70ECh. 4.2 - The figure shows the graph of f(x)=lnx . In...Ch. 4.2 - Prob. 72ECh. 4.2 - The figure shows the graph of f(x)=lnx . In...Ch. 4.2 - Prob. 74ECh. 4.2 - In Exercises 75-80, find the domain of each...Ch. 4.2 - In Exercises 75-80, find the domain of each...Ch. 4.2 - In Exercises 75-80, find the domain of each...Ch. 4.2 - In Exercises 75-80, find the domain of each...Ch. 4.2 - In Exercises 75-80, find the domain of each...Ch. 4.2 - f(x)=ln(x7)2Ch. 4.2 - log 100Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - 84. log 108
Ch. 4.2 - 85. 10 log 33
Ch. 4.2 - 86. 10 log 53
Ch. 4.2 - 87. In 1
Ch. 4.2 - 88. In e
Ch. 4.2 - In e6Ch. 4.2 - In e7Ch. 4.2 - ln1e6Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 81-100, evaluate or simplify each...Ch. 4.2 - In Exercises 101-104, write each equation in its...Ch. 4.2 - Prob. 102ECh. 4.2 - Prob. 103ECh. 4.2 - Prob. 104ECh. 4.2 - In Exercises 105-108, evaluate each expression...Ch. 4.2 - Prob. 106ECh. 4.2 - Prob. 107ECh. 4.2 - Prob. 108ECh. 4.2 - In Exercises 109-112, find the domain of each...Ch. 4.2 - Prob. 110ECh. 4.2 - Prob. 111ECh. 4.2 - Prob. 112ECh. 4.2 - The percentage of adult height attained by a girl...Ch. 4.2 - The percentage of adult height attained by a girl...Ch. 4.2 - Prob. 115ECh. 4.2 - Prob. 116ECh. 4.2 - The loudness level of a sound, D, in decibels, is...Ch. 4.2 - The loudness level of a sound, D. in decibels, is...Ch. 4.2 - Prob. 119ECh. 4.2 - Prob. 120ECh. 4.2 - What question can be asked to help evaluate log3...Ch. 4.2 - Prob. 122ECh. 4.2 - 123. Describe the following property using words:...Ch. 4.2 - Prob. 124ECh. 4.2 - Prob. 125ECh. 4.2 - Prob. 126ECh. 4.2 - 127. Suppose that a girl is 4 feet 6 inches at age...Ch. 4.2 - Prob. 128ECh. 4.2 - Prob. 129ECh. 4.2 - Prob. 130ECh. 4.2 - Prob. 131ECh. 4.2 - Prob. 132ECh. 4.2 - Prob. 133ECh. 4.2 - Prob. 134ECh. 4.2 - Prob. 135ECh. 4.2 - Prob. 136ECh. 4.2 - Prob. 137ECh. 4.2 - Prob. 138ECh. 4.2 - Prob. 139ECh. 4.2 - Prob. 140ECh. 4.2 - Prob. 141ECh. 4.2 - Prob. 142ECh. 4.2 - Prob. 143ECh. 4.2 - Prob. 144ECh. 4.2 - Prob. 145ECh. 4.2 - Prob. 146ECh. 4.2 - Prob. 147ECh. 4.2 - Prob. 148ECh. 4.2 - Prob. 149ECh. 4.2 - Prob. 150ECh. 4.2 - Prob. 151ECh. 4.2 - Prob. 152ECh. 4.3 - Fill in each blank so that the resulting statement...Ch. 4.3 - Fill in each blank so that the resulting statement...Ch. 4.3 - Fill in each blank so that the resulting statement...Ch. 4.3 - Fill in each blank so that the resulting statement...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 2ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 14ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 16ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 18ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 20ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 22ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 24ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 26ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - Prob. 28ECh. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 1-40, use properties of logarithms to...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises -41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - Prob. 64ECh. 4.3 - Prob. 65ECh. 4.3 - Prob. 66ECh. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 41-70, use properties of logarithms...Ch. 4.3 - In Exercises 71–78, use common logarithms or...Ch. 4.3 - Prob. 72ECh. 4.3 - Prob. 73ECh. 4.3 - Prob. 74ECh. 4.3 - In Exercises 71-78, use common logarithms or...Ch. 4.3 - Prob. 76ECh. 4.3 - Prob. 77ECh. 4.3 - Prob. 78ECh. 4.3 - In Exercises 79-82, use a graphing utility and the...Ch. 4.3 - In Exercises 79-82, use a graphing utility and the...Ch. 4.3 - In Exercises 79-82, use a graphing utility and the...Ch. 4.3 - In Exercises 79-82, use a graphing utility and the...Ch. 4.3 - In Exercises 83-88, let and . Write each...Ch. 4.3 - Prob. 84ECh. 4.3 - In Exercises 83-88, let and . Write each...Ch. 4.3 - Prob. 86ECh. 4.3 - Prob. 87ECh. 4.3 - Prob. 88ECh. 4.3 - In Exercises 89-102, determine whether each...Ch. 4.3 - In Exercises 89-102, determine whether each...Ch. 4.3 - In Exercises 89-102, determine whether each...Ch. 4.3 - In Exercises 89-102, determine whether each...Ch. 4.3 - In Exercises 89-102, determine whether each...Ch. 4.3 - Prob. 94ECh. 4.3 - Prob. 95ECh. 4.3 - Prob. 96ECh. 4.3 - Prob. 97ECh. 4.3 - Prob. 98ECh. 4.3 - Prob. 99ECh. 4.3 - Prob. 100ECh. 4.3 - In Exercises 89–102, determine whether each...Ch. 4.3 - Prob. 102ECh. 4.3 - 103. The loudness level of a sound can be...Ch. 4.3 - Prob. 104ECh. 4.3 - Prob. 105ECh. 4.3 - Prob. 106ECh. 4.3 - Prob. 107ECh. 4.3 - Prob. 108ECh. 4.3 - Prob. 109ECh. 4.3 - Prob. 110ECh. 4.3 - 111. You overhear a student talking about a...Ch. 4.3 - Prob. 112ECh. 4.3 - Prob. 113ECh. 4.3 - Prob. 114ECh. 4.3 - Prob. 115ECh. 4.3 - Prob. 116ECh. 4.3 - Prob. 117ECh. 4.3 - Prob. 118ECh. 4.3 - Disprove each statement in Exercises 116-120 by a...Ch. 4.3 - Prob. 120ECh. 4.3 - Prob. 121ECh. 4.3 - Prob. 122ECh. 4.3 - Prob. 123ECh. 4.3 - Prob. 124ECh. 4.3 - Prob. 125ECh. 4.3 - Prob. 126ECh. 4.3 - Prob. 127ECh. 4.3 - Prob. 128ECh. 4.3 - Prob. 129ECh. 4.3 - Prob. 130ECh. 4.3 - Prob. 131ECh. 4.3 - If f(x) - logb x, show that...Ch. 4.3 - Prob. 133ECh. 4.3 - Prob. 134ECh. 4.3 - Prob. 135ECh. 4.3 - Prob. 136ECh. 4.3 - Prob. 137ECh. 4.3 - Prob. 138ECh. 4.3 - Prob. 139ECh. 4.4 - If bM = bN, then__________Ch. 4.4 - If 24x1=27, then _______ =7.Ch. 4.4 - Prob. 3CVCCh. 4.4 - Prob. 4CVCCh. 4.4 - Prob. 5CVCCh. 4.4 - Prob. 6CVCCh. 4.4 - Prob. 7CVCCh. 4.4 - Prob. 8CVCCh. 4.4 - Prob. 9CVCCh. 4.4 - Prob. 10CVCCh. 4.4 - Prob. 11CVCCh. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Prob. 2ECh. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Prob. 4ECh. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Prob. 6ECh. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Prob. 12ECh. 4.4 - Prob. 13ECh. 4.4 - Prob. 14ECh. 4.4 - Solve each exponential equation in Exercises 1-22...Ch. 4.4 - Prob. 16ECh. 4.4 - Prob. 17ECh. 4.4 - Prob. 18ECh. 4.4 - Prob. 19ECh. 4.4 - Prob. 20ECh. 4.4 - Prob. 21ECh. 4.4 - Prob. 22ECh. 4.4 - Prob. 23ECh. 4.4 - Prob. 24ECh. 4.4 - Solve each exponential apiarian in Exercises...Ch. 4.4 - Prob. 26ECh. 4.4 - Prob. 27ECh. 4.4 - Prob. 28ECh. 4.4 - Solve each exponential equation in Exercises...Ch. 4.4 - Prob. 30ECh. 4.4 - Prob. 31ECh. 4.4 - Prob. 32ECh. 4.4 - Solve each exponential equation in Exercises...Ch. 4.4 - Prob. 34ECh. 4.4 - Prob. 35ECh. 4.4 - Prob. 36ECh. 4.4 - Solve each exponential equation in Exercises...Ch. 4.4 - Prob. 38ECh. 4.4 - Solve each exponential equation in Exercises 2348....Ch. 4.4 - Prob. 40ECh. 4.4 - Solve each exponential equation in Exercises 2348....Ch. 4.4 - Prob. 42ECh. 4.4 - Prob. 43ECh. 4.4 - Prob. 44ECh. 4.4 - Solve each exponential equation in Exercises 2348....Ch. 4.4 - Prob. 46ECh. 4.4 - Prob. 47ECh. 4.4 - Solve each exponential equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 50ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 52ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 54ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 62ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 64ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 66ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 68ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 70ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 74ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 76ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 78ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 80ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 82ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 84ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 86ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 88ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Prob. 90ECh. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - Solve each logarithmic equation in Exercises...Ch. 4.4 - In Exercises 93-102, solve each equation.
93.
Ch. 4.4 - Prob. 94ECh. 4.4 - Prob. 95ECh. 4.4 - Prob. 96ECh. 4.4 - Prob. 97ECh. 4.4 - Prob. 98ECh. 4.4 - Prob. 99ECh. 4.4 - In Exercises 93-102, solve each equation.
100.
Ch. 4.4 - Prob. 101ECh. 4.4 - Prob. 102ECh. 4.4 - Prob. 103ECh. 4.4 - 104. The formula models the population of Texas....Ch. 4.4 - The function models the percentage of surface...Ch. 4.4 - Prob. 106ECh. 4.4 - Prob. 107ECh. 4.4 - Prob. 108ECh. 4.4 - Prob. 109ECh. 4.4 - Prob. 110ECh. 4.4 - Prob. 111ECh. 4.4 - Prob. 112ECh. 4.4 - Prob. 113ECh. 4.4 - Prob. 114ECh. 4.4 - Prob. 115ECh. 4.4 - Prob. 116ECh. 4.4 - Prob. 117ECh. 4.4 - Prob. 118ECh. 4.4 - The pH scale is used to measure the acidity or...Ch. 4.4 - The pH scale is used to measure the acidity or...Ch. 4.4 - Prob. 121ECh. 4.4 - Prob. 122ECh. 4.4 - Prob. 123ECh. 4.4 - Prob. 124ECh. 4.4 - Prob. 125ECh. 4.4 - Prob. 126ECh. 4.4 - Prob. 127ECh. 4.4 - Prob. 128ECh. 4.4 - Prob. 129ECh. 4.4 - Prob. 130ECh. 4.4 - Prob. 131ECh. 4.4 - Prob. 132ECh. 4.4 - Prob. 133ECh. 4.4 - Prob. 134ECh. 4.4 - Prob. 135ECh. 4.4 - 136. The function models the weight, W (t). in...Ch. 4.4 - Prob. 137ECh. 4.4 - Prob. 138ECh. 4.4 - Prob. 139ECh. 4.4 - Prob. 140ECh. 4.4 - Prob. 141ECh. 4.4 - Prob. 142ECh. 4.4 - Prob. 143ECh. 4.4 - In Exercises 141-144, determine whether each...Ch. 4.4 - Prob. 145ECh. 4.4 - Prob. 146ECh. 4.4 - Prob. 147ECh. 4.4 - Prob. 148ECh. 4.4 - Prob. 149ECh. 4.4 - Prob. 150ECh. 4.4 - Prob. 151ECh. 4.4 - Prob. 152ECh. 4.4 - Prob. 153ECh. 4.4 - Prob. 154ECh. 4.4 - Prob. 155ECh. 4.5 - Fill in each blank so that the resulting statement...Ch. 4.5 - Fill in each blank so that the resulting statement...Ch. 4.5 - Prob. 3CVCCh. 4.5 - Prob. 4CVCCh. 4.5 - Prob. 5CVCCh. 4.5 - Prob. 6CVCCh. 4.5 - Prob. 7CVCCh. 4.5 - Prob. 1ECh. 4.5 - Prob. 2ECh. 4.5 - Prob. 3ECh. 4.5 - Prob. 4ECh. 4.5 - Prob. 5ECh. 4.5 - Prob. 6ECh. 4.5 - Prob. 7ECh. 4.5 - Prob. 8ECh. 4.5 - Prob. 9ECh. 4.5 - Prob. 10ECh. 4.5 - Prob. 11ECh. 4.5 - Prob. 12ECh. 4.5 - Prob. 13ECh. 4.5 - Prob. 14ECh. 4.5 - An artifact originally had 16 grams of carbon-14...Ch. 4.5 - Prob. 16ECh. 4.5 - Prob. 17ECh. 4.5 - Prob. 18ECh. 4.5 - Use the exponential decay model for carbon-14,...Ch. 4.5 - Use the exponential decay model for carbon-14, ,...Ch. 4.5 - Prob. 21ECh. 4.5 - Prob. 22ECh. 4.5 - Prob. 23ECh. 4.5 - Prob. 24ECh. 4.5 - Prob. 25ECh. 4.5 - Prob. 26ECh. 4.5 - Prob. 27ECh. 4.5 - Prob. 28ECh. 4.5 - Use the exponential decay model, A=A0ekt to solve...Ch. 4.5 - Prob. 30ECh. 4.5 - Prob. 31ECh. 4.5 - Prob. 32ECh. 4.5 - Prob. 33ECh. 4.5 - Prob. 34ECh. 4.5 - Prob. 35ECh. 4.5 - Prob. 36ECh. 4.5 - Prob. 38ECh. 4.5 - Prob. 39ECh. 4.5 - Prob. 40ECh. 4.5 - Prob. 41ECh. 4.5 - Prob. 42ECh. 4.5 - Prob. 43ECh. 4.5 - Prob. 44ECh. 4.5 - The logistic growth function P(x)=901+271e0.122x...Ch. 4.5 - Prob. 46ECh. 4.5 - Prob. 47ECh. 4.5 - Exercises 47-51 present data in the form of...Ch. 4.5 - Prob. 49ECh. 4.5 - Prob. 50ECh. 4.5 - Prob. 51ECh. 4.5 - Exercises 47-52 present data in the form of...Ch. 4.5 - Prob. 53ECh. 4.5 - Prob. 54ECh. 4.5 - Prob. 55ECh. 4.5 - Prob. 56ECh. 4.5 - Prob. 57ECh. 4.5 - 58. How can you tell whether an exponential model...Ch. 4.5 - Prob. 59ECh. 4.5 - Prob. 60ECh. 4.5 - Prob. 61ECh. 4.5 - 62. Describe the shape of a scatter plot that...Ch. 4.5 - Prob. 63ECh. 4.5 - Prob. 64ECh. 4.5 - Prob. 65ECh. 4.5 - Prob. 66ECh. 4.5 - Prob. 67ECh. 4.5 - Prob. 68ECh. 4.5 - Prob. 69ECh. 4.5 - Prob. 70ECh. 4.5 - The figure shows the number of people in the...Ch. 4.5 - In Exercises 47-52, you determined the best choice...Ch. 4.5 - Prob. 73ECh. 4.5 - Make Sense? In Exercises 73-76, determine whether...Ch. 4.5 - Make Sense? In Exercises 73-76, determine whether...Ch. 4.5 - Prob. 76ECh. 4.5 - Prob. 77ECh. 4.5 - Prob. 78ECh. 4.5 - Prob. 79ECh. 4.5 - Prob. 80ECh. 4.5 - Prob. 81ECh. 4.5 - Prob. 82ECh. 4.5 - Prob. 83ECh. 4.5 - Prob. 84ECh. 4.5 - Prob. 85ECh. 4.5 - Prob. 86ECh. 4.5 - Prob. 87ECh. 4.5 - Prob. 88ECh. 4 - In Exercises 1-5, graph f and g in the same...Ch. 4 - In Exercises 1-5, graph f and g in the same...Ch. 4 - In Exercises 1-5, graph f and g in the same...Ch. 4 - In Exercises 1-5, graph f and g in the same...Ch. 4 - In Exercises 1-5, graph f and g in the same...Ch. 4 - Prob. 6MCCPCh. 4 - In Exercises 6-9, find the domain of each...Ch. 4 - In Exercises 6-9, find the domain of each function...Ch. 4 - In Exercises 6-9, find the domain of each...Ch. 4 - In Exercises 10-20, evaluate each expression...Ch. 4 - Prob. 11MCCPCh. 4 - In Exercises 10-20, evaluate each expression...Ch. 4 - Prob. 13MCCPCh. 4 - Prob. 14MCCPCh. 4 - In Exercises 10-20, evaluate each expression...Ch. 4 - In Exercises 10-20, evaluate each expression...Ch. 4 - In Exercises 10-20, evaluate each expression...Ch. 4 - Prob. 18MCCPCh. 4 - Prob. 19MCCPCh. 4 - Prob. 20MCCPCh. 4 - Prob. 21MCCPCh. 4 - Prob. 22MCCPCh. 4 - Prob. 23MCCPCh. 4 - Prob. 24MCCPCh. 4 - Prob. 25MCCPCh. 4 - Prob. 26MCCPCh. 4 - In Exercises 1-4, the graph of an exponential...Ch. 4 - Prob. 2RECh. 4 - Prob. 3RECh. 4 - Prob. 4RECh. 4 - Prob. 5RECh. 4 - In Exercises 5-9, graph f and g in the same...Ch. 4 - In Exercises 5–9, graph f and g in the same...Ch. 4 - In Exercises 5-9, graph f and g in the same...Ch. 4 - In Exercises 5-9, graph f and g in the same...Ch. 4 - Use the compound interest formulas to solve...Ch. 4 - 11. Suppose that you have $14,000 to invest. Which...Ch. 4 - 12. A cup of coffee is taken out of a microwave...Ch. 4 - 13.
Ch. 4 - 3=log4xCh. 4 - log318=yCh. 4 - In Exercises 16-18, write each equation in its...Ch. 4 - In Exercises 16-18, write each equation in its...Ch. 4 - In Exercises 16-18, write each equation in its...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - In Exercises 19-29, evaluate each expression...Ch. 4 - Graph f(x)=2x and g(x)=log2x in the same...Ch. 4 - Prob. 31RECh. 4 - Prob. 32RECh. 4 - Prob. 33RECh. 4 - Prob. 34RECh. 4 - Prob. 35RECh. 4 - Prob. 36RECh. 4 - Prob. 37RECh. 4 - Prob. 38RECh. 4 - Prob. 39RECh. 4 - Prob. 40RECh. 4 - In Exercises 41-43, find the domain of each...Ch. 4 - In Exercises 41-43, find the domain of each...Ch. 4 - In Exercises 41-43, find the domain of each...Ch. 4 - In Exercises 44-46, use inverse properties of...Ch. 4 - In Exercises 44-46, use inverse properties of...Ch. 4 - In Exercises 44-46, use inverse properties of...Ch. 4 - 47. On the Richter scale, the magnitude, R, of an...Ch. 4 - 48. Students in a psychology class look a final...Ch. 4 - 49. The formula
describes the lime, t, in weeks,...Ch. 4 - In Exercises 50-53, use properties of logarithms...Ch. 4 - In Exercises 50-53, use properties of logarithms...Ch. 4 - Prob. 52RECh. 4 - Prob. 53RECh. 4 - In Exercises 54-57, use properties of logarithms...Ch. 4 - Prob. 55RECh. 4 - Prob. 56RECh. 4 - Prob. 57RECh. 4 - In Exercises 58-59, use common logarithms or...Ch. 4 - Prob. 59RECh. 4 - Prob. 60RECh. 4 - Prob. 61RECh. 4 - Prob. 62RECh. 4 - Prob. 63RECh. 4 - Prob. 64RECh. 4 - Prob. 65RECh. 4 - Prob. 66RECh. 4 - Prob. 67RECh. 4 - Prob. 68RECh. 4 - Prob. 69RECh. 4 - In Exercises 64-73, solve each exponential...Ch. 4 - Prob. 71RECh. 4 - Prob. 72RECh. 4 - Prob. 73RECh. 4 - Prob. 74RECh. 4 - Prob. 75RECh. 4 - Prob. 76RECh. 4 - Prob. 77RECh. 4 - Prob. 78RECh. 4 - Prob. 79RECh. 4 - Prob. 80RECh. 4 - Prob. 81RECh. 4 - Prob. 82RECh. 4 - Prob. 83RECh. 4 - Prob. 84RECh. 4 - Prob. 85RECh. 4 - 86. According to the U.S. Bureau of I he Census,...Ch. 4 - Prob. 87RECh. 4 - Prob. 88RECh. 4 - Prob. 89RECh. 4 - Exercises 89-91 present data in the form of...Ch. 4 - Prob. 91RECh. 4 - Prob. 92RECh. 4 - Prob. 93RECh. 4 - Prob. 94RECh. 4 - Graph f(x)=2x and g(x)=2x+1 in the same...Ch. 4 - Prob. 2TCh. 4 - Prob. 3TCh. 4 - Prob. 4TCh. 4 - Prob. 5TCh. 4 - In Exercises 6-7, use properties of logarithms to...Ch. 4 - Prob. 7TCh. 4 - Prob. 8TCh. 4 - Prob. 9TCh. 4 - Prob. 10TCh. 4 - Prob. 11TCh. 4 - Prob. 12TCh. 4 - Prob. 13TCh. 4 - Prob. 14TCh. 4 - Prob. 15TCh. 4 - Prob. 16TCh. 4 - Prob. 17TCh. 4 - Prob. 18TCh. 4 - Prob. 19TCh. 4 - Prob. 20TCh. 4 - Prob. 21TCh. 4 - Prob. 22TCh. 4 - Prob. 23TCh. 4 - Prob. 24TCh. 4 - Prob. 25TCh. 4 - Prob. 26TCh. 4 - The 2010 population of Asia was 4121 million; in...Ch. 4 - Use the exponential decay model, A=A0eLt, to solve...Ch. 4 - Prob. 29TCh. 4 - Prob. 30TCh. 4 - Prob. 31TCh. 4 - Prob. 32TCh. 4 - Prob. 33TCh. 4 - 34. Rewrite in terms of base e. Express the answer...Ch. 4 - In Exercises 1-8, solve each equation or...Ch. 4 - In Exercises 1-8, solve each equation or...Ch. 4 - Prob. 3CRECh. 4 - Prob. 4CRECh. 4 - Prob. 5CRECh. 4 - Prob. 6CRECh. 4 - Prob. 7CRECh. 4 - Prob. 8CRECh. 4 - Prob. 9CRECh. 4 - Prob. 10CRECh. 4 - Prob. 11CRECh. 4 - Prob. 12CRECh. 4 - Prob. 13CRECh. 4 - Prob. 14CRECh. 4 - Prob. 15CRECh. 4 - Prob. 16CRECh. 4 - Prob. 17CRECh. 4 - Prob. 18CRECh. 4 - Prob. 19CRECh. 4 - Prob. 20CRE
Knowledge Booster
Similar questions
- Does Table 2 represent a linear function? If so, finda linear equation that models the data.arrow_forwardHow do you find the value of a function?arrow_forwardThe gas mileage of a car (in miles per gallon) is highest when the car is going about 45 miles per hour and is lower when the car is going faster or slower than 45 mph. Graph gas mileage as a function of speed of the car.arrow_forward
- Which scenario BEST describes the graph below? As the weight of a package increased, the shipping cost increased proportionally. A race car driver accelerated quickly, stopped, accelerated again, and then stopped quickly. A vacuum salesperson sold a constant number of vacuums and then experienced a steady increase in the n umber of vacuums sold. A puppy gained weight quickly, still gained weight but not as quickly, and then stayed at a constant weight. A. B. C.arrow_forwardDetermine whether the statement makes sense or does not make sense, and explain your reasoning : "My body temperature is a function of the time of day."arrow_forwardThe table represents the number of solar panels sold in a sunny city since January of 2010. Which kind of function best models this relationship? Time (months) Solar panels 0. 320 4. 640 8. 950 12 1280 16 1610 20 1920arrow_forward
- A Webmaster has tracked an increasing number of registered users since the beginning of an advertising campaign. Before starting to advertise, he had 2,200 registered users and after 4 months of advertising he now has 5,480 registered users. Use this data to write a linear function that gives the total number of registered users, given the number of months after starting to advertise. Use the function to predict the number of registered users 8 months into the advertising campaign.arrow_forwarddcdfgarrow_forwardThe percent p of prescription filled with generic drugs at a large pharmacy chain from 2008 to 2014 can be approximated by the model where t represents the year,t=8 corresponding to 2008. Use this model to find the percent of prescriptions filled with generic drugs from 2008 through 2014.arrow_forward
- The zebra population increases at a rate of 2% per year. There are 1205 zebras this year. Write a function that models the zebra population. How many zebras will there be in 8 years?arrow_forwardPatty’s Parasols recorded the monthly rainfall and their umbrella sales for an entire year. The following table shows the inches of rainfall and the number of umbrellas the store sold each month. The relationship between the inches of rainfall and umbrella sales can be modeled using a linear function. Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sept. Oct. Nov. Dec. Rainfall (in.) 2.5 3.1 4.0 4.3 3.6 2.4 1.2 0.6 1.5 1.4 1.1 2.6 Umbrella sales 132 140 162 170 156 103 98 87 84 78 110 125 Using technology, determine the correlation coefficient for the data to the nearest hundredth. Explain the steps you used. What does the correlation coefficient for the data indicate about the direction and strength of the linear association between the monthly rainfall and the number of umbrellas sold?arrow_forwardPatty’s Parasols recorded the monthly rainfall and their umbrella sales for an entire year. The following table shows the inches of rainfall and the number of umbrellas the store sold each month. The relationship between the inches of rainfall and umbrella sales can be modeled using a linear function. Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sept. Oct. Nov. Dec. Rainfall (in.) 2.5 3.1 4.0 4.3 3.6 2.4 1.2 0.6 1.5 1.4 1.1 2.6 Umbrella sales 132 140 162 170 156 103 98 87 84 78 110 125 Using technology, determine the correlation coefficient for the data to the nearest hundredth. Explain the steps you used. What does the correlation coefficient for the data indicate about the direction and strength of the linear association between the monthly rainfall and the number of umbrellas sold Im stuck on this questionarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin HarcourtHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu...
Algebra
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL