Question

If a hospital patient is given 50 milligrams of medicine which leaves the bloodstream at 10% per hour, how many milligrams of medicine will remain in the system after 6 hours? Use the function A(t) = Iert.

A) 12.39 mg
B) 27.44 mg
C) 45.24 mg
D) 91.11 mg

Answer 1

I think the answer is B.

Answer 2

A(t) = 50 e^-(0.1 x 6) = 50 e^-0.6 = 50 x 0.5488 = 27.44 mg