# SOLUTION: the number of milligrams of a diabetic drug in a person's system after t hours is given by the function D(t)=20e^ (-0.4t). In this function, how many milligrams of drug did this p

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: the number of milligrams of a diabetic drug in a person's system after t hours is given by the function D(t)=20e^ (-0.4t). In this function, how many milligrams of drug did this p      Log On

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 Question 617873: the number of milligrams of a diabetic drug in a person's system after t hours is given by the function D(t)=20e^ (-0.4t). In this function, how many milligrams of drug did this patient initially take?Answer by nerdybill(6958)   (Show Source): You can put this solution on YOUR website!the number of milligrams of a diabetic drug in a person's system after t hours is given by the function D(t)=20e^ (-0.4t). In this function, how many milligrams of drug did this patient initially take? . Answer: 20 milligrams . Because: D(t)=20e^ (-0.4t) is in the general form of an exponential function: A = Ao*e^(kt) where A is amount after time t Ao is the initial amount k is the rate of increase/decrease t is time