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Oil production. Assume that the rate in Problem 83 is found to be
(A) When is the rate of production greatest?
(B) How many barrels of oil Q(t) will the field produce in the first t years if Q(0) = 0? How many barrels will be produced in the first 5 years?
(C) How long (to the nearest tenth of a year) will it take to produce a total of a quarter of a million barrels of oil?
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