8. Population Decline The population of a midwestern city follows the exponential law. (a) If N is the population of the city and t is the time in years, express N as a function of t. (b) If the population decreased from 900,000 to 800,000 from 2005 to 2007, what will the population be in 2009?

8. Population Decline The population of a midwestern city follows the exponential law. (a) If N is the population of the city and t is the time in years, express N as a function of t. (b) If the population decreased from 900,000 to 800,000 from 2005 to 2007, what will the population be in 2009?

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter4: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 12CC: Suppose that the initial size of a population is n0 and the population grows exponentially. Let n(t)...

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Question

8. Population Decline The population of a midwestern city
follows the exponential law.
(a) If N is the population of the city and t is the time in years,
express N as a function of t.

(b) If the population decreased from 900,000 to 800,000
from 2005 to 2007, what will the population be in
2009?

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