Find the length of the following curve. X= 3 from y = 3 to y = 9 The length of the curve x = 3 y from y = 3 to y = 9 is (Type an exact answer, using radicals as needed.)Find the area of the surface generated by revolving the curve y = 12x - x , 0.5 sx= 1.5, about the x-axis. The area of the surface generated by revolving the curve y = v2x - x , 0.5 s x = 1.5, about the x-axis is square units. (Type an exact answer, using it as needed.)co Find the area of the surface generated by revolving the curve y= , 0=x=2, about the x-axis. Set up the integral that gives the area of the given surface. S= (Type exact answers, using x as needed.)