Revolve Practice

Create 4 curves and align them using snap to curve. 2 angular (linear) and the other 2 curvy (cubic)

Take a screen shot with all three curves selected.

Attach Curves:  Select all the curves, choose Curves > Attach.  Change the following Settings:

Delete History: Select the new attached curves and choose Edit > Delete by Type > History

Revolve Curves: Select the new attached curves and choose Surfaces > Revolve. 

settings. *If your surfaces show up black, reverse curve direction.  Select the surface, Surfaces > Reverse Curve Direction

Assign New Material:  Right-click on the surface and Assign New Material.  Choose Blin

Turn in a screen shot of both the curves and the revolved surface.