The table shows values of a force function f(x), where x is measured in meters and f(x) in newtons. X 3 7 11 15 19 23 27 31 35 f(x) 5 5.8 7 8.6 9.5 8.4 6.7 5.5 3.9 Use the midpoint rule with n = 4 to estimate the work W (in ]) done by the force in moving an object from x = 3 to x = 35. W = J