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3. Consider the solid of revolution obtained by rotating the region inside 9:2 + (y 4)2 = 9 about the scaxis. a) (2 points) Sketch a diagram of the region, the solid of revolution, and a sample washer. This sample washer should be labeled with an expression for the inner and outer radius. b) (2 point) Set up, but do not evaluate, an integral for the volume of this solid using the washer method. C) (1 point) Evaluate the integral from part b) without using trigonometric substitution