A graphing calculator is recommended

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A graphing calculator is recommended. A drug is administered to a patient, and the concentration of the drug in the bloodstream is monitored. At time t 2 l] (in hours since giving the drug) the concentration (in mg/L) is given by St 9+4' Graph the function c with a graphing device. (Round your answers to two decimal plaoes.) Cit) = (a) What is the highest concentration of drug that is reached in the patient's bloodstream? c=—« mm (b) What happens to the drug concentration after a long period of time? O The concentration of the drug in the bloodstream is naturally restored to its highest level. 0 Nothing. the concentration of the drug remains constant throughout its time in the bloodstream. © The concentration of the drug in the bloodstream goes to 0 mg/L. 0 The concentration of the drug in the bloodstream is reduced by 50%. (c) How long does it take for the concentration to drop below 0.3 mg/L? r=—x hr