Power On August 8, 2007, the power used in New York state
Chapter 5, Problem 45A(choose chapter or problem)
Problem 45A
Power On August 8, 2007, the power used in New York state (in thousands of megawatts) could be approximated by the function
P(t) = −0.005846t3 + 0.1614t2 − 0.4910t + 20.47,
where t is the number of hours since midnight, for 0 ≤ t ≤ 24. Find any relative extrema for power usage, as well as when they occurred. Source: Current Energy.
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