D(t) = 60e6^−0.3t. How many milligrams of the drug remain in the patient's bloodstream after 3 hours?

Question

Please help. I am very confuse on what to do. Answer will be in mg.

Answer 1

Assuming that D(t) is the amount remaining at time t, just plug t = 3 into the given equation and evaluate. That is all there is to it.