Let C(t) be the concentration of a drug in the bloodstream "t" minutes after the drug is administered. C is the miligrams per liter (mg/L), with C(t) = 3te(- 1/30)(t)
At what time "t" does the drug reach peak concentration?
A) 10 minutes
B) 30 minutes
C) 20 minutes
D) 3 minutes