ALGEBRA+TRIGONOMETRY
7th Edition
ISBN: 9780136922179
Author: Blitzer
Publisher: RENT PEARS
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4.1, Problem 91E
The graphs labeled (a)-(d) in the figure represent
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Answers
*************
*********************************
Q.1) Classify the following statements as a true or false statements:
a. If M is a module, then every proper submodule of M is contained in a maximal
submodule of M.
b. The sum of a finite family of small submodules of a module M is small in M.
c. Zz is directly indecomposable.
d. An epimorphism a: M→ N is called solit iff Ker(a) is a direct summand in M.
e. The Z-module has two composition series.
Z
6Z
f. Zz does not have a composition series.
g. Any finitely generated module is a free module.
h. If O→A MW→ 0 is short exact sequence then f is epimorphism.
i. If f is a homomorphism then f-1 is also a homomorphism.
Maximal C≤A if and only if is simple.
Sup
Q.4) Give an example and explain your claim in each case:
Monomorphism not split.
b) A finite free module.
c) Semisimple module.
d) A small submodule A of a module N and a homomorphism op: MN, but
(A) is not small in M.
I need diagram with solutions
Chapter 4 Solutions
ALGEBRA+TRIGONOMETRY
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
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- T. Determine the least common denominator and the domain for the 2x-3 10 problem: + x²+6x+8 x²+x-12 3 2x 2. Add: + Simplify and 5x+10 x²-2x-8 state the domain. 7 3. Add/Subtract: x+2 1 + x+6 2x+2 4 Simplify and state the domain. x+1 4 4. Subtract: - Simplify 3x-3 x²-3x+2 and state the domain. 1 15 3x-5 5. Add/Subtract: + 2 2x-14 x²-7x Simplify and state the domain.arrow_forwardQ.1) Classify the following statements as a true or false statements: Q a. A simple ring R is simple as a right R-module. b. Every ideal of ZZ is small ideal. very den to is lovaginz c. A nontrivial direct summand of a module cannot be large or small submodule. d. The sum of a finite family of small submodules of a module M is small in M. e. The direct product of a finite family of projective modules is projective f. The sum of a finite family of large submodules of a module M is large in M. g. Zz contains no minimal submodules. h. Qz has no minimal and no maximal submodules. i. Every divisible Z-module is injective. j. Every projective module is a free module. a homomorp cements Q.4) Give an example and explain your claim in each case: a) A module M which has a largest proper submodule, is directly indecomposable. b) A free subset of a module. c) A finite free module. d) A module contains no a direct summand. e) A short split exact sequence of modules.arrow_forwardListen ANALYZING RELATIONSHIPS Describe the x-values for which (a) f is increasing or decreasing, (b) f(x) > 0 and (c) f(x) <0. y Af -2 1 2 4x a. The function is increasing when and decreasing whenarrow_forwardBy forming the augmented matrix corresponding to this system of equations and usingGaussian elimination, find the values of t and u that imply the system:(i) is inconsistent.(ii) has infinitely many solutions.(iii) has a unique solutiona=2 b=1arrow_forwardif a=2 and b=1 1) Calculate 49(B-1)2+7B−1AT+7ATB−1+(AT)2 2)Find a matrix C such that (B − 2C)-1=A 3) Find a non-diagonal matrix E ̸= B such that det(AB) = det(AE)arrow_forwardWrite the equation line shown on the graph in slope, intercept form.arrow_forward1.2.15. (!) Let W be a closed walk of length at least 1 that does not contain a cycle. Prove that some edge of W repeats immediately (once in each direction).arrow_forward1.2.18. (!) Let G be the graph whose vertex set is the set of k-tuples with elements in (0, 1), with x adjacent to y if x and y differ in exactly two positions. Determine the number of components of G.arrow_forward1.2.17. (!) Let G,, be the graph whose vertices are the permutations of (1,..., n}, with two permutations a₁, ..., a,, and b₁, ..., b, adjacent if they differ by interchanging a pair of adjacent entries (G3 shown below). Prove that G,, is connected. 132 123 213 312 321 231arrow_forward1.2.19. Let and s be natural numbers. Let G be the simple graph with vertex set Vo... V„−1 such that v; ↔ v; if and only if |ji| Є (r,s). Prove that S has exactly k components, where k is the greatest common divisor of {n, r,s}.arrow_forward1.2.20. (!) Let u be a cut-vertex of a simple graph G. Prove that G - v is connected. עarrow_forward1.2.12. (-) Convert the proof at 1.2.32 to an procedure for finding an Eulerian circuit in a connected even graph.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University
Holt 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
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Elementary Algebra
Algebra
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:OpenStax - Rice University
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Finding The Focus and Directrix of a Parabola - Conic Sections; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=KYgmOTLbuqE;License: Standard YouTube License, CC-BY