Find the exact area between the graphs of fix} = 2 X giXJ=x . O 2units2 2 0 1units2 2 O gunre2 2 and '1 Approximate the area of the region bounded by y: - EX2+ Q , the xaxis, X = - 4 , and X = [II by finding the combined area of the rectangles [as shown in each figure) and averaging the results.