X3 Find the area of the surface generated by revolving the curve y= 9 , 0 S x 5 2, about the x-axis. Set up the integral that gives the area of the given surface. D S: {Ddx (Type exact answers, using 1: as needed.) The area of the surface is E. (Type an exact answer, using an: as needed.) Use the shell method to nd the volume of the solid generated by revolving the shaded region about the x-axis. y Set up the integral that gives the volume of the solid. ldv 0 The volume of the solid generated by revolving the shaded region about the x-axis is cubic units. (Type an exact answer, using 1: as needed.)