Medicine Concentration The concentration C of a medicationin the bloodstream t hours after being administered ismodeled by the functionC(t0 = - 0.002x4 + 0.039t3 - 0.285t2+ 0.766t + 0.085(a) After how many hours will the concentration behighest?(b) A woman nursing a child must wait until the concentrationis below 0.5 before she can feed him. After taking themedication, how long must she wait before feeding herchild?

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Section2.6: Optimization
Problem 4E: Drug Concentration When a drug is administered orally, it takes some time before the blood...
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Medicine Concentration The concentration C of a medication
in the bloodstream t hours after being administered is
modeled by the function
C(t0 = - 0.002x4 + 0.039t3 - 0.285t2+ 0.766t + 0.085
(a) After how many hours will the concentration be
highest?
(b) A woman nursing a child must wait until the concentration
is below 0.5 before she can feed him. After taking the
medication, how long must she wait before feeding her
child?

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