Answer
$\frac{9\pi}{1}$
Work Step by Step
Use the formula given above for the volume, with a= 0, b=3 and f(x) =x
$V=\int^{3}_{0} \pi (x)^{2}dx=\pi (\frac{x^{3}}{3})|^{3}_{0}=\frac{9\pi}{1}$
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