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The drug concentration curve is given by equation: ?(?) = 6? ∙ ? -0.5t . Here...

The drug concentration curve is given by equation: ?(?) = 6? ∙ ? -0.5t . Here concentration ?(?) is measured in mg/ml and time is measured in hours.  What is the rate of drug concentration increase at t = 0? For how may hours will the drug concentration be increasing? (Hint: the drug concentration function increases until it reaches its maximal value, and then it starts to decrease.)

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