Pregunta: Give a parametric description of the form r(u, v) = ((u,v),y(u,v),z(u,v)) for the frustum of the cone =x° +y -, for 2 ≤ z$7.

Give a parametric description of the form r(u, v) = (x(u, v),y(u, v),z(u, v)) for the frustum of the cone z = x + y, for 2 szs7. Select the correct choice below. O A. r(u, v) = 2 v 2v cosu, sin u,v), o sus 21, 25vs7 7 7 sin uw OB. r(u, v) = (7v cos u,2v sin u,v), Osus 21, 2 sus7 C. r(u, v)= 7v 7v COSU, sin u, v), Osus 21, 2 sys7 2 2 D. r(u,v) = (v cos u,v sin u,v), O sus 21, 25vs7 O E. r(u,v) = (7v cos u,2v sin u,v), o sus 21, 2 sys7