In t years, the population of a certain city grows from 300,000 to a size P given by P(t) = 300,000+ +9000t². dP dt a) Find the growth rate, b) Find the population after 15 yr. c) Find the growth rate at t = 15. d) Explain the meaning of the answer to part (c). dt

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 60SE: The formula for the amount A in an investmentaccount with a nominal interest rate r at any timet is...
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In t years, the population of a certain city grows from 300,000 to a size P given by P(t) = 300,000+ 9000t².
dP
a) Find the growth rate, dt
b) Find the population after 15 yr.
c) Find the growth rate at t = 15.
d) Explain the meaning of the answer to part (c).
a)
Question 16, 1.5.91-SS
Part 1 of 4
11
>
Transcribed Image Text:In t years, the population of a certain city grows from 300,000 to a size P given by P(t) = 300,000+ 9000t². dP a) Find the growth rate, dt b) Find the population after 15 yr. c) Find the growth rate at t = 15. d) Explain the meaning of the answer to part (c). a) Question 16, 1.5.91-SS Part 1 of 4 11 >
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