A certain drug is eliminated from the bloodstream with a​ half-life of 34 hours. Suppose that a patient receives an initial dose of 10 mg of the drug at midnight. a. How much of the drug is in the​ patient's blood at noon later that​ day?   b. When will the drug concentration reach 55​% of its initial​ level?

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Chapter6: Exponential And Logarithmic Functions
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A certain drug is eliminated from the bloodstream with a​ half-life of 34 hours. Suppose that a patient receives an initial dose of 10 mg of the drug at midnight.
a. How much of the drug is in the​ patient's blood at noon later that​ day?
 
b. When will the drug concentration reach 55​% of its initial​ level?
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