III. Let 5'1 be the surface with equation :3 = My + 1 and let .572 be the sphere with equation 12+y2+z?- lz+y4z+T=. 1. Provide e. hand-drawn sketch of the surfeee F1. Indicate proper rulings. 2. Determine the eenter and the radius of the sphere 3'2. 3. The mintercept of surface .571 and the center of sphere Y; are endpoints of a diameter of another sphere .9\". Determine the equation (in center-radius farm) of .9"