The region bounded by and for is revolved about the line

MATHEMATICS · Single correct · AP · Calculus AB · Applications of Integration · Applications of Integration

Problem

The region bounded by y=x2y=x^{2} and y=4y=4 for −2≤x≤2-2\le x\le2 is revolved about the line y=6y=6. Which of the following integrals represents the volume of the solid generated? (a) V=π∫−22[(6−4)2−(6−x2)2]dxV=\pi\displaystyle\int_{-2}^{2}\left[(6-4)^{2}-(6-x^{2})^{2}\right]dx (b) V=π∫−22[(6−x2)2−(6−4)2]dxV=\pi\displaystyle\int_{-2}^{2}\left[(6-x^{2})^{2}-(6-4)^{2}\right]dx (c) V=π∫−22[42−(x2)2]dxV=\pi\displaystyle\int_{-2}^{2}\left[4^{2}-(x^{2})^{2}\right]dx (d) V=π∫−22[(6−x2)2]dxV=\pi\displaystyle\int_{-2}^{2}\left[(6-x^{2})^{2}\right]dx

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