46. Absorption of Drugs The concentration of a drug in an organ at any time t (in seconds) is given by ac (t) = 0.08 + 0.12 (1 - e-0.02#) where x (t) is measured in grams per cubic centimeter (g/cm ). a. What is the initial concentration of the drug in the organ? b. What is the concentration of the drug in the organ after 20 sec? c. What will be the concentration of the drug in the organ in the long run? Hint: Evaluate lim x (t). 1-+00