SOLUTION: A drug is eliminated from the body through urine. Suppose that for a dose of 10 milligrams, the amount A(t) remaining in the body t hours later is given by A(t) = 10(0.7)t and th

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: A drug is eliminated from the body through urine. Suppose that for a dose of 10 milligrams, the amount A(t) remaining in the body t hours later is given by A(t) = 10(0.7)t and th      Log On


   



Question 1147955: A drug is eliminated from the body through urine. Suppose that for a dose of 10 milligrams, the amount A(t) remaining in the body t hours later is given by
A(t) = 10(0.7)t and that in order for the drug to be effective, at least 2 milligrams must be in the body.
(a) Determine when 2 milligrams are left in the body. (Round your answer to two decimal places.)
(b) What is the half-life of the drug? (Round your answer to two decimal places.)

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