omit your work on o December 021 (Thursday) 1. (a) If R = [-1,3] x [0,2], use a Reimann Sum with m = 4, n = 2 to estimate the value of SUp (y2 - 2x2) dA. Take the sample points to be the upper left corners of the squares. (5pts) (b) Use the Midpoint Rule to estimate the volume of the solid in part (a). (5pts)