Find the volume of the solid generated by revolving the region bounded by the lines and curves y = , y = 0, x = 0, and x = 4 about the x-axis. (The solid generated is called a paraboloid.) The volume is (Type an exact answer in terms of a.)Find the volume of the solid generated by revolving the region bounded by the lines and curves y = r". y = 0. x = - 2. and it = 2 about the x-axis. The volume ofthe resulting solid is | | units cubed. (Type an exact answer. using it and v as needed.)