1. Let f(x, y, z) = x2 +y' and E = {(x, y, z) : 0

1. Let f (x, y, z) = :r2+y2 and E { (x, y, z): O .T,2 -+y2 S 4, y 2 0, O z f 3 Convert the integral J E f (x, y, z) dV into cylindrical coordinates and evaluate it.