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Back to 6.7 Exponential and Logarithmic Models

6.7 Exercise 62

Avg difficulty 2.5

Use this scenario: A biologist recorded a count of 360 360 bacteria present in a culture after 5 minutes and 1000 bacteria present after 20 minutes.

Rounding to six decimal places, write an exponential equation representing this situation. To the nearest minute, how long did it take the population to double?

OpenStax Algebra and Trigonometry 2e, 6.7 Exponential and Logarithmic Models, exercise 62

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.