The count of bacteria in a culture was 600 after 20 minutes and 2000 after 35 minutes. Use an exponential model. a. What was the initial size of the culture? b. Find the doubling time. c. Find the population after 170 minutes. d. When will the population reach 12000?

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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The count of bacteria in a culture was 600 after 20 minutes and 2000 after 35 minutes. Use an exponential model.

a. What was the initial size of the culture?

b. Find the doubling time.

c. Find the population after 170 minutes.

d. When will the population reach 12000?

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