A drug is administered to a patient, and the concentration of the drug in the bloodstream is monitored. At time t ≥ 0 (in hours since giving the drug) the concentration (in mg/L) is given by c(t) = 8t/t^2+4 Graph the function c with a graphing device. (Round your answers to two decimal places.) (a) What is the highest concentration of drug that is reached in the patient's bloodstream? c = mg/L   (c) How long does it take for the concentration to drop below 0.5 mg/L? t = hr

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.