2. [6 marks] Through a medical study, it was determined that the rate change of the concentration (in mg/em*] of a drug in a patient's bloodstream { minutes after it is administer -34/120 120(2 / 120 4 1) (a) Compute the net (cumulative) change in concentration of the drug in the first two hours after being administered (to one decimal place) and interpret the result.if timing(b) If the initial concentration of the drug is 3 mg/em , what is the concentration of the drug two hours after it has been administered? Express your answer to one decimal place