Question: A region R is shown in Figure 9. Set up an integral for the volume of the solid obtained when R is revolved about each

A region R is shown in Figure 9. Set up an integral for the volume of the solid obtained when R is revolved about each of the following lines. Use the indicated method.
(a) The y-axis (washers)
(b) The x-axis (shells)
(c) The line y = 3 (shells)

x =g(y) x = f(y)

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