Concept explainers
a.
To graph: the function and describe the domain and range.
a.
Answer to Problem 46E
The time must be nonnegative so the domain is
Explanation of Solution
Given information: The function
national park triples, where x is the number of 20 −year period.
Calculation:
Identify some points then plot and connect with a smooth line.
Graph
The time must be nonnegative so the domain is
b.
To find: and interpret the y -intercept.
b.
Answer to Problem 46E
The y -intercept is (0, 15)
Explanation of Solution
Given information:
Calculation:
The y -intercept is (0, 15)
c.
To find: how many coyotes are in the national park in 40 years.
c.
Answer to Problem 46E
There will be 135 coyotes after 40 years.
Explanation of Solution
Given information:
Calculation:
Therefore, there will be 135 coyotes after 40 years.
Chapter 6 Solutions
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