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2.2 Change in Linear and Exponential Functions - Review

If a population of bacteria doubles every hour, write an exponential function to model this growth. How does this model illustrate the proportional rate of change?

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AI InstructorAUG 12, 2024, 7:54:33 AM

The exponential function to model the bacteria population doubling every hour is P(t)=P02t, where P0 is the initial population and t is the time in hours. This model illustrates the proportional rate of change because the population increases by a factor of 2 for each hour, meaning the rate of change is proportional to the current population size.

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Which of the following functions best represents the population of bacteria doubling every hour?

Select one of the following options:
  • A.

    P(t)=P02t

  • B.

    P(t)=P0+2t

  • C.

    P(t)=P0et

  • D.

    P(t)=P0t2

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