Concept explainers
a.
To find: the population after 5 months.
a.

Answer to Problem 45E
203 animals.
Explanation of Solution
Given information: A conservation organization releases 100 animals of an endangered:
species into a game preserve. The organization believes that the preserve has a carrying
capacity of 1000 animals and that growth of the herd will follow the logistic curve:
Calculation:
b.
To find: after how many months will the population reach 500.
b.

Answer to Problem 45E
Explanation of Solution
Given information: A conservation organization releases 100 animals of an endangered:
species into a game preserve. The organization believes that the preserve has a carrying
capacity of 1000 animals and that growth of the herd will follow the logistic curve:
Calculation:
c.
To graph: the function using the graphing utility.
c.

Answer to Problem 45E
Explanation of Solution
Given information:
Calculation:
The graph of the function is shown below.
d.
To find: the value of p at which the horizontal asymptotes occur using the graph.
d.

Answer to Problem 45E
The horizontal asymptotes occur at p = 1000 and p = 0.
Explanation of Solution
Given information:
Calculation:
From the graph, the horizontal asymptotes occur at p = 1000 and p = 0.
e.
To identify: the asymptote that is most relevant in the context of the problem and interprets its meaning.
e.

Answer to Problem 45E
The asymptote p = 1000 is most relevant because it represents the carrying capacity of the herd.
Explanation of Solution
Given information:
Calculation:
The asymptote p = 1000 is most relevant because it represents the carrying capacity of the herd.
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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