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![The concentration of a drug in the body decreases exponentially after a dosage is given in one clinical study, adult subjects averaged 13 micrograms/mililiter (mcg/ml) of the drug in
their blood plasma 1 hr after a 1000-mg dosage and 3 micrograms/milliliter 7 hr after dosage
a) Find the value K, and write an equation for an exponential function that can be used to predict the concentration of the drug in micrograms/millater, thours after a 1000-mg
dosage
b) Estimate the concentration of the drug 3 hr after a 1000-mg dosage
c) To relieve a fever, the concentration of the drug should go no lower than 3 mcgm. After how many hours will a 1000-mg dosage drop to that level?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64f0dffa-0e8b-4bb9-babb-a64f4163a96d%2F4a8bcbb2-e6b1-4316-b3a3-63ee8ae8f53f%2F4o1aspt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The concentration of a drug in the body decreases exponentially after a dosage is given in one clinical study, adult subjects averaged 13 micrograms/mililiter (mcg/ml) of the drug in
their blood plasma 1 hr after a 1000-mg dosage and 3 micrograms/milliliter 7 hr after dosage
a) Find the value K, and write an equation for an exponential function that can be used to predict the concentration of the drug in micrograms/millater, thours after a 1000-mg
dosage
b) Estimate the concentration of the drug 3 hr after a 1000-mg dosage
c) To relieve a fever, the concentration of the drug should go no lower than 3 mcgm. After how many hours will a 1000-mg dosage drop to that level?
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