point Library Michigan Chap16Sec3 Q47 pg Let W be the solid half cone bounded by z x y z 1 and the yz plane with x 0 and let Let W be the solid half cone bounded by z x y z 4 and the xz plane with y 0 V For each of the following decide without calculating its value whether the integral is positive negative or zero a Jw x y2 dV is positive negative zero b Jw yzdV is positive negative zero c Jw Vx y2dV is positive negative zero