Using rectangles whose height is given by the value of the function at the midpoint of the rectangle's base (the midpoint nJle}, estimate the area under the graph ot the toilowing function, using two and then four rectangles. 1;: 4 )(2 between x= 2 and x=2 For two rectangles, area m E. [Type an integer or a decimal.) For tour rectangles, area m E. (Type an integer or a decimal.)