Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximatin rectangle. 4 y = y=x x = 7 12 10 8 4 2 1 -1 -3 X 6 8 -2 4 -6 8 -10 -12 x 2 4 6 8 2 Find the area of the region. 9 8 x 4 1 2 4 8 x