A pond is treated periodically to control harmful bacteria growth. Suppose t days after a treatment, the concentration of bacteria per cubic centimeter is given by C(t) = 30t2 - 240t +500. How many days after a treatment will the concentration be minimal? (use the process of finding the critical number) %3D

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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
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A pond is treated periodically to control harmful bacteria growth. Suppose t days after a treatment, the
concentration of bacteria per cubic centimeter is given by C(t) = 30t² – 240t + 500. How many days after a
treatment will the concentration be minimal? (use the process of finding the critical number)
Transcribed Image Text:A pond is treated periodically to control harmful bacteria growth. Suppose t days after a treatment, the concentration of bacteria per cubic centimeter is given by C(t) = 30t² – 240t + 500. How many days after a treatment will the concentration be minimal? (use the process of finding the critical number)
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