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Multiple Choice: The function is bounded by the y-axis and the line . The volume generated by revolving the region about the -axis can be found by which of the following integrals?

  1. I only

  1. II only

  1. III only

  1. I and II

  1. I and III

If you want to use disks/washers, then rotate horizontal rectangles...
that means that both the bounds and the integrand must be written in terms of .

If you want to use shells, then use -values.