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Question

A demographic study of a certain city indicates that P(r) hundred people live r miles from the civic center, where $P(r)=\frac{5(3 r+1)}{r^{2}+r+2}.$ a. What is the population at the city center? b. For what values of r is P(r) increasing? For what values is it decreasing? c. At what distance from the civic center is the population largest? What is this largest population?

Solution

VerifiedStep 1

1 of 5Given

$P(r)=\frac{5(3 r+1)}{r^{2}+r+2}$

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