Drugs in the Bloodstream The concentration of adrug in the bloodstream from the time the drug isinjected until 8 hours later is given byy = 10011 - e-0.312(8-t2) percent, t in hours,where the drug is administered at time t = 0. In howmany hours will the drug concentration be 79% ofthe initial dose?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Drugs in the Bloodstream The concentration of a
drug in the bloodstream from the time the drug is
injected until 8 hours later is given by
y = 10011 - e-0.312(8-t2) percent, t in hours,
where the drug is administered at time t = 0. In how
many hours will the drug concentration be 79% of
the initial dose?

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