Medicine: ahmad took 200 mg of a medication. the function f(t) = 200e 0.4+ can be used to determine the amount of medication, f(t), still in his system after t hours. to the nearest hundredth, after how much time will ahmad have only 50 mg of medication left in his system? a 4.37 hours b 7.47 hours c 3.47 hours d 3.74 hours a bh bo