Oil Pressure The pressure of oil in a reservoir tends to drop with time. Engineers found that
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Oil Pressure The pressure of oil in a reservoir tends to drop with time. Engineers found that the change in pressure is modeled by f (t) = 1.06t3 - 24.6t2 + 180t for t (in years) in the interval [0, 15].
(a) What was the change after 2 yr?
(b) For what time periods, to the nearest tenth of a year, is the amount of change in pressure increasing? decreasing? Use a graph to decide.
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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