Solve the problem.Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) = 630e-0.88t. Find the rate of change of the quantity present at the time when t = 6.

A. 2.8 grams per year
B. 193.2 grams per year
C. -193.2 grams per year
D. -2.8 grams per year


Answer: D

Mathematics

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A.
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C.
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