Suppose f⃗ (x, y,z)=⟨x, y,4z⟩f→(x, y,z)=⟨x, y,4z⟩. let w be the solid bounded by the paraboloid z=x2+y 2 z=x2+y2 and the plane z=9.z=9. let ss be the closed boundary of ww oriented outward. (a) use the divergence theorem to find the flux of f⃗ f→ through s.