The exponential function describing the quantity of caffeine remaining in a person's body, Q , t hours after that person drinks a Tall cup of coffee from Starbucks is Q(t) = 260 · (0.8)* According to this equation, what is the hourly decay factor of caffeine? % Use this function (and logarithms) to compute how long it takes (in hours) until the person only has 100 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).
The exponential function describing the quantity of caffeine remaining in a person's body, Q , t hours after that person drinks a Tall cup of coffee from Starbucks is Q(t) = 260 · (0.8)* According to this equation, what is the hourly decay factor of caffeine? % Use this function (and logarithms) to compute how long it takes (in hours) until the person only has 100 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).
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
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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 Tall cup of coffee from Starbucks is
Q(t) = 260 · (0.8)*
According to this equation, what is the hourly decay factor of caffeine?
Use this function (and logarithms) to compute how long it takes (in hours) until the person only has
100 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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