If t days after a treatment the bacteria count per cubic centimeter in a body of water

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If t days after a treatment the bacteria count per cubic centimeter in a body of water is given by

C(t) = 20t2 - 120t + 800 0 ≤ t ≤ 9

then in how many days will the count be a minimum?

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College Mathematics For Business Economics, Life Sciences, And Social Sciences

ISBN: 978-0134674148

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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