A stretch by a factor of 2 for the exponential growth function f(x)= a occurs when a =.
A shrink by a factor of for the exponential growth function f(x)= a(7)x occurs when a =.
A patient is given a 50 mg dose of medicine. The medicine's effectiveness decreases every hour at a constant rate of 40%. What is the exponential decay function that models this scenario? How much medicine will be left in the patient's system after 2 hours?
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