The exponential function describing the quantity of caffeine remaining in a person's body, Q.t hours after that person drinks a Venti cup of coffee from Starbucks is Q(t) = 415 (0.8) %3D According to this equation, what is the hourly decay factor of caffeine? 96 Use this function (and logarithms) to compute how long it takes (in hours) until the person only has 50 mg of caffeine left in their body. Enter an exact logarithmic expression (on the left) and a decimal rounded to the nearest thousandth (on the right).

College Algebra
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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
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The exponential function describing the quantity of caffeine remaining in a person's body. Q,t
hours after that person drinks a Venti cup of coffee from Starbucks is
Q(t) = 415 - (0.8)*
According to this equation, what is the hourly decay factor of caffeine?
96
Use this function (and logarithms) to compute how long it takes (in hours) until the person only has
50 mg of caffeine left in their body.
Enter an exact logarithmic expression (on the left) and a decimal rounded to the nearest thousandth
(on the right).
Transcribed Image Text:The exponential function describing the quantity of caffeine remaining in a person's body. Q,t hours after that person drinks a Venti cup of coffee from Starbucks is Q(t) = 415 - (0.8)* According to this equation, what is the hourly decay factor of caffeine? 96 Use this function (and logarithms) to compute how long it takes (in hours) until the person only has 50 mg of caffeine left in their body. Enter an exact logarithmic expression (on the left) and a decimal rounded to the nearest thousandth (on the right).
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