Figure 4 shows the power consumption in the city of San Francisco for a day in September

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Figure 4 shows the power consumption in the city of San Francisco for a day in September (P is measured in megawatts; t is measured in hours starting at midnight). Estimate the energy used on that day.


Figure 4

P 800 600 400 200 0 3  6 9 12 15 18 21 1 Pacific Gas & Electric

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Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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