Q30 Let R be the region enclosed by the paraboloid r = 3 - y? - 23 and the plane y = r. a Set up the integral JJJR f(x, y, =) dV with a as the inner variable. 481 Section 6.4 Exercises b Set up the integral JJJR f(x, y, =) dV with a as the inner variable. C Explain why it would be difficult to set up JJJ, f(x, y. =) dV with y as the inner variable