Problem

As indicated in Example 5, the amount of caffeine in the bloodstream decreases at an hourl...

As indicated in Example 5, the amount of caffeine in the bloodstream decreases at an hourly rate of approximately 11.5%. A double shot of espresso contains 80 mg of caffeine.

a. Find a natural growth model C(t) that gives the amount of caffeine in the bloodstream as a function of time t in hours.


b. How much caffeine is in the bloodstream after 3 hours?


c. How long does it lake for the caffeine level in the blood to fall to 10 mg?

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Solutions For Problems in Chapter 3.2