Problem 6E

The table shows values of a force function f(x) where x is measured in meters and f(x) in newtons. Use the Midpoint Rule to estimate the work done by the force in moving an object from x=4 to x=20. x 4 6 8 10 12 14 16 18 20 fx 5 5.8 7.0 8.8 9.6 8.2 6.7 5.2 4.1

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