A 500-mg dose of a drug is administered by rapid injection to a patient. The half-life of

Question:

A 500-mg dose of a drug is administered by rapid injection to a patient. The half-life of the drug is 9 hours.
(a) Find a model for the amount of drug in the bloodstream t hours after the drug is administered.
(b) Find the average rate of change of drug in the bloodstream between t = 0 and t = 2. Repeat for t = 9 and t = 11.

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