Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN: 9780321964038
Author: GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher: Pearson Addison Wesley,
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Chapter 1.1, Problem 72E

LIFE SCIENCE APPLICATIONS

HIV Infection The time interval between a person’s initial infection with HIV and that person’s eventual development of AIDS symptoms is an important issue. The method of infection with HIV affects the time interval before AIDS develops. One study of HIV patients who were infected by intravenous drug use found that 17 % of the patients had AIDS after 4 years and 33 % had developed the disease after 7 years. The relationship between the time interval and the percentage of patients with AIDS can be modeled accurately with a linear equation. Source: Epidemiologic Review.

a. Write a linear equation y = m t + b that models these data, using the ordered pairs ( 4 , 0.17 ) and ( 7 , 0.33 ) .

b. Use your equation from part a to predict the number of years before half of these patients will have AIDS.

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Chapter 1 Solutions

Calculus For The Life Sciences

Ch. 1.1 - YOUR TURN Find the slope of the line through (1,5)...Ch. 1.1 - YOUR TURN Find the equation of the line with...Ch. 1.1 - Prob. 3YTCh. 1.1 - Prob. 4YTCh. 1.1 - Prob. 5YTCh. 1.1 - Prob. 6YTCh. 1.1 - Find the slope of each line. Through (4,5) and...Ch. 1.1 - Prob. 2ECh. 1.1 - Find the slope of each line. Through (8,4) and...Ch. 1.1 - Prob. 4E
Ch. 1.1 - Prob. 5ECh. 1.1 - Prob. 6ECh. 1.1 - Prob. 7ECh. 1.1 - Prob. 8ECh. 1.1 - Prob. 9ECh. 1.1 - Prob. 10ECh. 1.1 - Prob. 11ECh. 1.1 - Prob. 12ECh. 1.1 - Prob. 13ECh. 1.1 - Prob. 14ECh. 1.1 - Prob. 15ECh. 1.1 - In Exercises 15-24, find the equation in the...Ch. 1.1 - In Exercises 15-24, find the equation in the...Ch. 1.1 - Prob. 18ECh. 1.1 - Prob. 19ECh. 1.1 - Prob. 20ECh. 1.1 - In Exercises 15-24, find an equation in...Ch. 1.1 - Prob. 22ECh. 1.1 - Prob. 23ECh. 1.1 - Prob. 24ECh. 1.1 - Prob. 25ECh. 1.1 - Prob. 26ECh. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - In Exercises 25-34, find an equation for each line...Ch. 1.1 - Do the points (4,3), (2,0), and (18,12) lie on the...Ch. 1.1 - Find k so that the line through (4,1) and (k,2) is...Ch. 1.1 - Use slopes to show that the quadrilateral with...Ch. 1.1 - Use slopes to show that the square with vertices...Ch. 1.1 - Prob. 39ECh. 1.1 - Prob. 40ECh. 1.1 - Prob. 41ECh. 1.1 - In Exercises 41 and 42, estimate the slope of the...Ch. 1.1 - Prob. 43ECh. 1.1 - Prob. 44ECh. 1.1 - Prob. 45ECh. 1.1 - Prob. 46ECh. 1.1 - Graph each equation. y=4x+9Ch. 1.1 - Graph each equation. y=6x+12Ch. 1.1 - Graph each equation. 2x3y=12Ch. 1.1 - Graph each equation. 3xy=9Ch. 1.1 - Graph each equation. 3y7x=21Ch. 1.1 - Prob. 52ECh. 1.1 - Graph each equation. y=2Ch. 1.1 - Prob. 54ECh. 1.1 - Prob. 55ECh. 1.1 - Prob. 56ECh. 1.1 - Prob. 57ECh. 1.1 - Prob. 58ECh. 1.1 - Prob. 59ECh. 1.1 - Prob. 60ECh. 1.1 - Prob. 61ECh. 1.1 - Prob. 62ECh. 1.1 - Prob. 63ECh. 1.1 - Prob. 64ECh. 1.1 - For Exercises 6170, let f(x)=75xand g(x)=2x3. Find...Ch. 1.1 - Prob. 66ECh. 1.1 - Prob. 67ECh. 1.1 - Prob. 68ECh. 1.1 - Prob. 69ECh. 1.1 - Prob. 70ECh. 1.1 - LIFE SCIENCE APPLICATIONS Exercise Heart Rate To...Ch. 1.1 - LIFE SCIENCE APPLICATIONS HIV Infection The time...Ch. 1.1 - Life Expectancy Some scientists believe that there...Ch. 1.1 - Prob. 74ECh. 1.1 - Prob. 75ECh. 1.1 - Prob. 76ECh. 1.1 - Prob. 77ECh. 1.1 - Prob. 78ECh. 1.1 - Global Warming In 1990, the Intergovernmental...Ch. 1.1 - Body Temperature You may have heard that the...Ch. 1.1 - LIFE SCIENCE APPLICATIONS Cost Analysis Suppose a...Ch. 1.1 - LIFE SCIENCE APPLICATIONS Cost Analysis Acme...Ch. 1.1 - OTHER APPLICATIONS Marriage The following table...Ch. 1.1 - OTHER APPLICATIONS Immigration In 1950, there were...Ch. 1.1 - OTHER APPLICATIONS Child Mortality Rate The...Ch. 1.1 - Prob. 86ECh. 1.1 - Prob. 87ECh. 1.2 - YOUR TURN 1 Calculate the least squares line for...Ch. 1.2 - Prob. 2YTCh. 1.2 - Prob. 1ECh. 1.2 - Prob. 2ECh. 1.2 - For the following table of data. x 1 2 3 4 5 6 7 8...Ch. 1.2 - Prob. 4ECh. 1.2 - Prob. 5ECh. 1.2 - Prob. 6ECh. 1.2 - Prob. 7ECh. 1.2 - Prob. 8ECh. 1.2 - Prob. 9ECh. 1.2 - LIFE SCIENCE APPLICATIONS Bird Eggs The average...Ch. 1.2 - Prob. 11ECh. 1.2 - Prob. 12ECh. 1.2 - Prob. 13ECh. 1.2 - Prob. 14ECh. 1.2 - Prob. 15ECh. 1.2 - Prob. 16ECh. 1.2 - Prob. 18ECh. 1.2 - Prob. 19ECh. 1.2 - Prob. 20ECh. 1.2 - LIFE SCIENCE APPLICATIONS Length of a Pendulum...Ch. 1.2 - Prob. 22ECh. 1.3 - YOUR TURN Find the domain and range for the...Ch. 1.3 - Prob. 2YTCh. 1.3 - YOUR TURN Given the function f(x)=3x+6 and...Ch. 1.3 - Prob. 1ECh. 1.3 - Prob. 2ECh. 1.3 - Which of the following rules define y as a...Ch. 1.3 - Which of the following rules define y as a...Ch. 1.3 - Which of the following rules define y as a...Ch. 1.3 - Which of the following rules define y as a...Ch. 1.3 - Prob. 7ECh. 1.3 - Prob. 8ECh. 1.3 - Prob. 9ECh. 1.3 - Prob. 10ECh. 1.3 - Prob. 11ECh. 1.3 - Prob. 12ECh. 1.3 - Prob. 13ECh. 1.3 - Prob. 14ECh. 1.3 - Prob. 15ECh. 1.3 - Prob. 16ECh. 1.3 - Prob. 17ECh. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain of each function defined as...Ch. 1.3 - Give the domain and range of each function. Where...Ch. 1.3 - Give the domain and range of each function. Where...Ch. 1.3 - Give the domain and the range of each function....Ch. 1.3 - Give the domain and the range of each function....Ch. 1.3 - Prob. 37ECh. 1.3 - Prob. 38ECh. 1.3 - In Exercises 3740, give the domain and range....Ch. 1.3 - In Exercises 3740, give the domain and range....Ch. 1.3 - For each function, find (a) , (b) , (c) , (d) ,...Ch. 1.3 - For each function, find a f(4), b f(-1/2), c f(a),...Ch. 1.3 - For each function, find a f(4), b f(-1/2), c f(a),...Ch. 1.3 - For each function, find (a) , (b) , (c) , (d) ,...Ch. 1.3 - Let f(x)=6x2-2and g(x)=x2-2x+5to find the...Ch. 1.3 - Let f(x)=6x2-2and g(x)=x2-2x+5to find the...Ch. 1.3 - Let f(x)=6x2-2and g(x)=x2-2x+5to find the...Ch. 1.3 - Let f(x)=6x2-2and g(x)=x2-2x+5to find the...Ch. 1.3 - Let f(x)=6x22 and g(x)=x22x+5to find the following...Ch. 1.3 - Let f(x)=6x22 and g(x)=x22x+5to find the following...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - For each function defined as follows, find...Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - Decide whether each graph represents a function.Ch. 1.3 - For each pair of functions, find a f(g(1)), b...Ch. 1.3 - For each pair of functions, find a f(g(1)), b...Ch. 1.3 - For each pair of functions, find a f(g(1)), b...Ch. 1.3 - For each pair of functions, find a f(g(1)), b...Ch. 1.3 - LIFE SCIENCE APPLICATIONS Whales Diving The figure...Ch. 1.3 - LIFE SCIENCE APPLICATIONS Metabolic Rate The basal...Ch. 1.3 - LIFE SCIENCE APPLICATIONS Swimming Energy The...Ch. 1.3 - OTHER APPLICATIONS Perimeter A rectangular field...Ch. 1.3 - OTHER APPLICATIONS Area A rectangular field is to...Ch. 1.3 - Prob. 72ECh. 1.3 - Prob. 73ECh. 1.4 - YOUR TURN For the function y=2x26x1, (a) complete...Ch. 1.4 - YOUR TURN Graph each of the following: (a)...Ch. 1.4 - How does the value of a affect the graph of y=ax2?...Ch. 1.4 - Prob. 2ECh. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - In Exercises 3-8, match the correct graph A-F to...Ch. 1.4 - Complete the square and determine the vertex for...Ch. 1.4 - Complete the square and determine the vertex for...Ch. 1.4 - Complete the square and determine the vertex for...Ch. 1.4 - Complete the square and determine the vertex for...Ch. 1.4 - In Exercises 13-24, graph each parabola and give...Ch. 1.4 - In Exercises 13-24, graph each parabola and give...Ch. 1.4 - In Exercises 13-24, graph each parabola and give...Ch. 1.4 - Prob. 16ECh. 1.4 - Prob. 17ECh. 1.4 - Prob. 18ECh. 1.4 - Prob. 19ECh. 1.4 - Prob. 20ECh. 1.4 - Prob. 21ECh. 1.4 - Prob. 22ECh. 1.4 - Prob. 23ECh. 1.4 - Prob. 24ECh. 1.4 - Prob. 25ECh. 1.4 - Prob. 26ECh. 1.4 - Prob. 27ECh. 1.4 - Prob. 28ECh. 1.4 - Prob. 29ECh. 1.4 - Prob. 30ECh. 1.4 - Prob. 31ECh. 1.4 - Prob. 32ECh. 1.4 - Prob. 33ECh. 1.4 - Prob. 34ECh. 1.4 - Use the ideas in this section to graph each...Ch. 1.4 - Use the ideas in this section to graph each...Ch. 1.4 - Use the ideas in this section to graph each...Ch. 1.4 - Prob. 38ECh. 1.4 - Prob. 39ECh. 1.4 - Prob. 40ECh. 1.4 - Prob. 41ECh. 1.4 - Using the graph of f(x) in Figure 40, show the...Ch. 1.4 - Using the graph of f(x) in Figure 40, show the...Ch. 1.4 - Prob. 44ECh. 1.4 - Using the graph of f(x) in Figure 40, show the...Ch. 1.4 - If r is an x-intercept of the graph of y=f(x),...Ch. 1.4 - If b is the y-intercept of the graph of y=f(x),...Ch. 1.4 - LIFE SCIENCE APPLICATIONS Length of Life According...Ch. 1.4 - LIFE SCIENCE APPLICATIONS Tooth Length The length...Ch. 1.4 - LIFE SCIENCE APPLICATIONS APPLY IT Splenic Artery...Ch. 1.4 - Prob. 52ECh. 1.4 - LIFE SCIENCE APPLICATIONS Gender Ratio The number...Ch. 1.4 - Prob. 54ECh. 1.4 - OTHER APPLICATIONS Accident Rate According to data...Ch. 1.4 - OTHER APPLICATIONS Maximizing the Height of an...Ch. 1.4 - OTHER APPLICATIONS Stopping Distance According to...Ch. 1.4 - Prob. 59ECh. 1.4 - OTHER APPLICATIONS Maximizing Area What would be...Ch. 1.4 - Prob. 61ECh. 1.4 - OTHER APPLICATIONS In Exercises 61 and 62, draw a...Ch. 1.5 - YOUR TURN 1 Graph f(x)=64x6.Ch. 1.5 - Prob. 1ECh. 1.5 - Describe an asymptote, and explain when a rational...Ch. 1.5 - Use the principles of the previous section with...Ch. 1.5 - Use the principles of the previous section with...Ch. 1.5 - Prob. 5ECh. 1.5 - Prob. 6ECh. 1.5 - EXERCISES In Exercises 7-15, match the correct...Ch. 1.5 - EXERCISES In Exercises 7-15, match the correct...Ch. 1.5 - EXERCISES In Exercises 7-15, match the correct...Ch. 1.5 - Prob. 10ECh. 1.5 - Prob. 11ECh. 1.5 - Prob. 12ECh. 1.5 - Prob. 13ECh. 1.5 - Prob. 14ECh. 1.5 - Prob. 15ECh. 1.5 - Prob. 16ECh. 1.5 - Prob. 17ECh. 1.5 - Prob. 18ECh. 1.5 - EXERCISES In Exercises 16-20, match the correct...Ch. 1.5 - EXERCISES In Exercises 16-20, match the correct...Ch. 1.5 - Prob. 21ECh. 1.5 - Prob. 22ECh. 1.5 - Prob. 23ECh. 1.5 - Prob. 24ECh. 1.5 - Prob. 25ECh. 1.5 - Prob. 26ECh. 1.5 - Prob. 27ECh. 1.5 - Prob. 29ECh. 1.5 - Prob. 30ECh. 1.5 - Prob. 31ECh. 1.5 - Prob. 32ECh. 1.5 - Prob. 33ECh. 1.5 - Prob. 34ECh. 1.5 - Prob. 35ECh. 1.5 - Prob. 36ECh. 1.5 - Prob. 37ECh. 1.5 - Find any horizontal and vertical asymptotes and...Ch. 1.5 - Prob. 39ECh. 1.5 - Prob. 40ECh. 1.5 - Prob. 41ECh. 1.5 - Write an equation that defines a rational function...Ch. 1.5 - Prob. 43ECh. 1.5 - Prob. 44ECh. 1.5 - Prob. 45ECh. 1.5 - Prob. 46ECh. 1.5 - LIFE SCIENCE APPLICATIONS Alcohol Concentration...Ch. 1.5 - Prob. 48ECh. 1.5 - Prob. 49ECh. 1.5 - Prob. 50ECh. 1.5 - Prob. 51ECh. 1.5 - Prob. 52ECh. 1.5 - Prob. 53ECh. 1.5 - Prob. 54ECh. 1.5 - Prob. 55ECh. 1.5 - Prob. 56ECh. 1.5 - Prob. 57ECh. 1.5 - OTHER APPLICATIONS Length of a Pendulum. A simple...Ch. 1.5 - Prob. 59ECh. 1.CR - Concept Check Determine whether each statement is...Ch. 1.CR - Prob. 2CRCh. 1.CR - Prob. 3CRCh. 1.CR - Prob. 4CRCh. 1.CR - Prob. 5CRCh. 1.CR - Prob. 6CRCh. 1.CR - Prob. 7CRCh. 1.CR - Prob. 8CRCh. 1.CR - Prob. 9CRCh. 1.CR - Prob. 10CRCh. 1.CR - CONCEPT CHECK Determine whether each statement is...Ch. 1.CR - Prob. 12CRCh. 1.CR - Prob. 13CRCh. 1.CR - CONCEPT CHECK Determine whether each statement is...Ch. 1.CR - Prob. 15CRCh. 1.CR - Prob. 16CRCh. 1.CR - Prob. 17CRCh. 1.CR - Prob. 18CRCh. 1.CR - Prob. 19CRCh. 1.CR - Prob. 20CRCh. 1.CR - Prob. 21CRCh. 1.CR - Prob. 22CRCh. 1.CR - Prob. 23CRCh. 1.CR - Prob. 24CRCh. 1.CR - Prob. 25CRCh. 1.CR - Prob. 26CRCh. 1.CR - Prob. 27CRCh. 1.CR - Prob. 28CRCh. 1.CR - Prob. 29CRCh. 1.CR - Prob. 30CRCh. 1.CR - Prob. 31CRCh. 1.CR - Prob. 32CRCh. 1.CR - Prob. 33CRCh. 1.CR - Prob. 34CRCh. 1.CR - Prob. 35CRCh. 1.CR - Prob. 36CRCh. 1.CR - Prob. 37CRCh. 1.CR - Prob. 38CRCh. 1.CR - Prob. 39CRCh. 1.CR - Prob. 40CRCh. 1.CR - Prob. 41CRCh. 1.CR - Prob. 42CRCh. 1.CR - Prob. 43CRCh. 1.CR - Prob. 44CRCh. 1.CR - Prob. 45CRCh. 1.CR - PRACTICE AND EXPLORATIONS Find an equation for...Ch. 1.CR - Prob. 47CRCh. 1.CR - Prob. 48CRCh. 1.CR - Prob. 49CRCh. 1.CR - Prob. 50CRCh. 1.CR - Prob. 51CRCh. 1.CR - Prob. 52CRCh. 1.CR - Prob. 53CRCh. 1.CR - Prob. 54CRCh. 1.CR - Prob. 55CRCh. 1.CR - Prob. 56CRCh. 1.CR - Prob. 57CRCh. 1.CR - Prob. 58CRCh. 1.CR - Prob. 59CRCh. 1.CR - Prob. 60CRCh. 1.CR - Prob. 61CRCh. 1.CR - Prob. 62CRCh. 1.CR - Prob. 63CRCh. 1.CR - Prob. 64CRCh. 1.CR - Prob. 65CRCh. 1.CR - Prob. 66CRCh. 1.CR - Prob. 67CRCh. 1.CR - Prob. 68CRCh. 1.CR - Prob. 69CRCh. 1.CR - Prob. 70CRCh. 1.CR - Prob. 71CRCh. 1.CR - Prob. 72CRCh. 1.CR - Prob. 73CRCh. 1.CR - Prob. 74CRCh. 1.CR - Prob. 75CRCh. 1.CR - Prob. 76CRCh. 1.CR - Prob. 77CRCh. 1.CR - Prob. 78CRCh. 1.CR - Prob. 79CRCh. 1.CR - Prob. 80CRCh. 1.CR - Prob. 81CRCh. 1.CR - Prob. 82CRCh. 1.CR - Prob. 83CRCh. 1.CR - Prob. 84CRCh. 1.CR - Prob. 85CRCh. 1.CR - Prob. 86CRCh. 1.CR - Prob. 87CRCh. 1.CR - Prob. 88CRCh. 1.CR - Prob. 91CRCh. 1.CR - Prob. 92CRCh. 1.CR - OTHER APPLICATIONS Planets The following table...Ch. 1.EA - Prob. 1EACh. 1.EA - Prob. 2EACh. 1.EA - Prob. 3EACh. 1.EA - EXERCISES The following table gives the life...Ch. 1.EA - Prob. 5EACh. 1.EA - Prob. 6EACh. 1.EA - Prob. 7EACh. 1.EA - Prob. 8EA
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