Can someone please explain it to me???!!! For this question I need thickness, hole radius and outer radius. Also, I need to draw graph and show the thickness, hole radius and outer radius on the graph. ASAP?!!!!

be the region bounded by the following curves. Find the volume of the solid generated when R is revolved about the x-axis. y=ex, y=e -X, x= 0, and x = In 9 volume of the solid is cubic units . pe an exact answer.)