Suppose R is the shaded region in the figure. As an iterated integral in polar coordinates, B f(x, y) dA = f(r cos(0), r sin(0)) r dr de R with limits of integration 1 A = -1 B = -2 C = -3 D = -4 -4 -3 -2 -1 2 3 4 (Click on graph to enlarge)