In the figure below, set-up the integral expression when the area bound by the functions y= y= 4.2=2, and = 4 is revolved around the x = 4 axis using the method of disks. 2 (0.25,4) (2,4) y 1/x (4,4) y=4 x=2 x=4 (2,0.5) (4,0.25)