A region in the first quadrant is bounded above by the curve

MATHEMATICS · Multi-part · AP · Calculus AB · Applications of Integration · Applications of Integration

Problem

A region in the first quadrant is bounded above by the curve y=xy=\sqrt{x}, below by the xx–axis, and on the right by the vertical line x=4x=4. The region is revolved about the horizontal line y=−2y=-2 to create a solid of revolution. (a) Write a definite integral whose value equals the volume of the solid. (b) Evaluate the integral in part (a) exactly to determine the volume.

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