A drug was administered and the function is:  N(t) = 200(0.85)^(x-1), which represents the amount of drug available after each hour since the medication was given. The drug is 85% as effective as the previous hour, (x-1) is part of the formula since it takes one hour for the drug to be absorbed in the bloodstream. (t-1 is included in the formula since it takes one hour for the drug to be absorbed in the bloodstream). How long will it take for this initial dose to reach 50 milligrams? Provide an algebraic equation to show how you solved this problem.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 63SE: In the year 1985, a house was valued at 110,000. Bythe year 2005, the value hadappreciated to...
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A drug was administered and the function is: 

N(t) = 200(0.85)^(x-1), which represents the amount of drug available after each hour since the medication was given. The drug is 85% as effective as the previous hour, (x-1) is part of the formula since it takes one hour for the drug to be absorbed in the bloodstream. (t-1 is included in the formula since it takes one hour for the drug to be absorbed in the bloodstream).

How long will it take for this initial dose to reach 50 milligrams? Provide an algebraic equation to show how you solved this problem. 

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