What time interval is the concentration of drug increasing

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The percent concentration of a drug in the bloodstream x hours after administered is given by k(t)=t/(t^2+9). On what time interval is the concentration of the drug increasing?

Reference no: EM13205530

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What time interval is the concentration of drug increasing : The percent concentration of a drug in the bloodstream x hours after administered is given by k(t)=t/(t^2+9). On what time interval is the concentration of the drug increasing?
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