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Multiple Choice: The volume generated by revolving the region enclosed by the graphs of and for about the -axis is:

Sketch the graph and shade flag.

Sketch the axis of rotation. This will help you visualize the resultant 3D solid.

Choose a method:

Determine the bounds of integration by solving a system of equations. You might write your bounds as - or - values, depending on the method you chose in the previous step.

Your integrand should should be written in terms of the same variable as the bounds.