Mathematics 121 Exam 5 Page 8 of 8 8. (12 points) A patient receives an injection of 1.2 milligrams of a drug, and the amount remaining in the...

A patient receives an injection 1.2 milligrams of a drug, and the amount remaining in the bloodstream t hours later is A(t) = 1.2e^-0.05t. Find the instantaneous rate of change of this amount.

Mathematics 121Exam 5Page 8 of 88. (12 points) A patient receives an injection of 1.2 milligrams of a drug, and the amount remaining in thebloodstream t hours later is A(t) = 1.2e-0.05t. Find the instantaneous rate of change of this amount.(a) just after the injection (at time t = 0).(b) after 2 hours.Page 8