QuestionIf $t$ is in minutes since the drug was administered, the concentration, $C(t) \mathrm{in} \mathrm{ng} / \mathrm{ml}$, of a drug in a patient's bloodstream is given by $C(t)=20 t e^{-0.04 t}$. (a) How long does it take for the drug to reach peak concentration? What is the peak concentration?
Round your answers to one decimal place.
The drug reaches its peak concentration at i $\square$ minutes.
The peak concentration is i $\square$ $\mathrm{ng} / \mathrm{ml}$. (b) What is the concentration of the drug in the body after 15 minutes? After an hour?
Round your answers to one decimal place. The concentration after 15 minutes is $\square$ $\mathrm{ng} / \mathrm{ml}$.
The concentration after 60 minutes is $\square$ i $\mathrm{ng} / \mathrm{ml}$. (c) If the minimum effective concentration is $10 \mathrm{ng} / \mathrm{ml}$, when should the next dose be administered? cytosolic proteins cytoso