Concept explainers
a.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
a.

Answer to Problem 66E
Logarithmic, decreasing between points, example—Richter scale.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Logarithmic, decreasing between points, example—Richter scale.
b.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
b.

Answer to Problem 66E
Logistic growth, rapid growth, example- Declining growth, population.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Logistic growth, rapid growth, example- Declining growth, population.
c.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
c.

Answer to Problem 66E
Exponential decay, decreasing same %, example—population.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Exponential decay, decreasing same %, example—population.
d.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
d.

Answer to Problem 66E
Exponential growth, increasing same %, example—population.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Exponential growth, increasing same %, example—population.
e.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
e.

Answer to Problem 66E
Quadratic, points reflected across y −axis, example-- throwing a ball.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Quadratic, points reflected across y −axis, example-- throwing a ball.
f.
To state: whether an exponential, Gaussian, logarithmic, logistic, or quadratic model will fit the data best, for given graph and then describe a real- life situation that could be represents by the data.
f.

Answer to Problem 66E
Gaussian, bell shaped curve, example—probability and statistics.
Explanation of Solution
Given information: Given graph is shown below.
Calculation:
Gaussian, bell shaped curve, example—probability and statistics.
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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