Repeat for f1x2 = -2x + 8. In 1322, a function f is

Chapter 14, Problem 12

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Repeat for f1x2 = -2x + 8. In 1322, a function f is defined over an interval 3a, b4. (a) Graph f, indicating the area A under f from a to b. (b) Approximate the area A by partitioning 3a, b4 into four subintervals of equal length and choosing u as the left endpoint of each subinterval. (c) Approximate the area A by partitioning 3a, b4 into eight subintervals of equal length and choosing u as the left endpoint of each subinterval. (d) Express the area A as an integral. (e) Use a graphing utility to approximate the integral.

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