Question: 12. Use the exponential decay model, A(t) = Age-kt The half-life of caffeine in the human body for a healthy adult is approximately 5 hours.

12. Use the exponential decay model, A(t) = Age-kt The half-life of caffeine in the human body for a healthy adult is approximately 5 hours. a) Write a function of the form A(t) = Age kt , that models the decay rate. (5 points) (Hint: find "k"!)

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