1-Consider the given function. Evaluate the Riemann sum for 2 = x = 14, with six subintervals, taking the sample points to be left endpoints. L6 = 2-If f(x) = 3x2 - 2x, 0 = x = 3, evaluate the Riemann sum with n = 6, taking the sample points to be right endpoints. R6 = 3-The graph of a function g is given. a = 4 Consider the integral I when answering the following questions. (a) Estimate the integral I with six subintervals using right endpoints. R6 = (b) Estimate the integral I with six subintervals using left endpoints.