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OpenStudy (anonymous):
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 the equation: c(t)=(7t)/(t^2+4) (a)What is the highest concentration of the drug? (b) How long does it take for the concentration to drop below 0.2 mg/L?
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OpenStudy (anonymous):
you need a graphing calculator
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