Caffeine occurs naturally in a variety of food products such as coffee, tea, and chocolate. The kidneys filter the blood and remove caffeine and other drugs through urine. The biological half-life of caffeine is approximately 6 hours. If one cup of coffee has 100 mg of caffeine, then the amount of caffeine C (in mg) remaining after / hours is given by C=100(2) 1/6. (a) How long will it take for the amount of caffeine to drop below 70 mg? Round to 1 decimal place. (b) Laura has trouble sleeping if she has more than 20 mg of caffeine in her bloodstream. How many hours before going to bed should she stop drinking coffee? Round to I decimal place, if necessary. Part: 0/2 Part 1 of 2 Español 8 EH )
Caffeine occurs naturally in a variety of food products such as coffee, tea, and chocolate. The kidneys filter the blood and remove caffeine and other drugs through urine. The biological half-life of caffeine is approximately 6 hours. If one cup of coffee has 100 mg of caffeine, then the amount of caffeine C (in mg) remaining after / hours is given by C=100(2) 1/6. (a) How long will it take for the amount of caffeine to drop below 70 mg? Round to 1 decimal place. (b) Laura has trouble sleeping if she has more than 20 mg of caffeine in her bloodstream. How many hours before going to bed should she stop drinking coffee? Round to I decimal place, if necessary. Part: 0/2 Part 1 of 2 Español 8 EH )
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.CR: Chapter Review
Problem 13CC: Suppose that the initial mass of radioactive substance is m0 and the half-life of the substance is...
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