Posted by **Meredith** on Sunday, April 18, 2010 at 7:35pm.

When a certain drug is taken orally, the concentration of the drug in the patients bloodstream after t minutes is given by C(t)=0.06t-0.0002t^2, where 0 is less than or equal to "t" which is less than or equal to 240 and the concentration is measured by mg/L. When is the maximum serum concentration reached, and what is that maximum concentration?

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