Question 7 (3 points) Let E be the solid region bounded from above by the paraboloid 2 = 3 - 202 - 32 and from below by the plane z=1. Set up a triple integral in cylindrical coordinates that gives the volume of this solid.Question 9 (2 points) Which of the following vector-fields on R3 are conservative? Select all conservative vector-fields. Selectionnez 2 reponse(s) correcte(s) (a) A = 2yzi + 3xzj + 7xyk Ob) G =x2ity-j + xz2k