The amount of medicine in a patient’s bloodstream, t hours after taking a

Transcribed Image Text: 3.
The amount of medicine in a patient’s bloodstream, t hours after taking a
medication, decreases exponentially according to the function
y = 250e-0.14t
where y is the amount of medication of the patient’s blood in milligrams per liter, and t is time
in hours.
a. How much medication is there in the patient’s blood after 5 hours? Round to 2 decimal
places and include units with your answer.
b. How long will it take the concentration of medication to reach 40 milligrams per liter?
Round to two decimal places and include units with your answer.

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