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6.8 Exercise 132

Avg difficulty 2.5

Use this scenario: The equation $N \left(t\right) = \frac{1200}{1 + 199 e^{- 0.625 t}}$ models the number of people in a school who have heard a rumor after $t$ days.

To the nearest tenth, how many days will it be before the rumor spreads to half the carrying capacity?

OpenStax Algebra and Trigonometry 2e, 6.8 Fitting Exponential Models to Data, exercise 132

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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.