(y /2 Reverse the order of integration in the inte- 1 . 1 = f(x, y) dx dy gral 1 = f(x, y) dy da , 2 . 1 = f(x, y) dx dy Ju / 2 but make no attempt to evaluate either inte- f(x, y) da dy gral. 3 . 1 = J 2y 2y O 4. I = f(x, y) dx dy 0 5 . 1 = f(x, y) di dy 6. 1 = [ f(z, y) dady