Author Question: Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by ... (Read 118 times)

jasdeep_brar · **on:** Jun 16, 2021

Question 1

A company's total cost, in millions of dollars, is given by C(t) = 140 - 30e^-t where t = time in years. Find the marginal cost when t = 6.
◦ 0.35 million dollars per year
◦ 0.45 million dollars per year
◦ 0.16 million dollars per year
◦ 0.07 million dollars per year

Question 2

Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) = 540e^-0.19t. Find the rate of change of the quantity present at the time when t = 4.
◦ 2.1 grams per year
◦ -2.1 grams per year
◦ -48 grams per year
◦ 48 grams per year

wuly · **Reply #1 on:** Jun 16, 2021

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