Find the volume of the solid obtained when the region bounded by the curves y =−x^2 + 2x + 3, y = 0 is revolved around the line y = −2.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter8: Further Techniques And Applications Of Integration
Section8.3: Volume And Average Value
Problem 7E
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Find the volume of the solid obtained when the region bounded by the curves y =−x^2 + 2x + 3, y = 0 is revolved around the line y = −2.

Expert Solution
Step 1

Given:

The curve is:

y=-x2+2x+3 and y=0

Now, the point on x, when y=0 are:

0=-x2+2x+3x2-2x-3=0x2-3x+x-3=0xx-3+1x-3=0x-3x+1=0x=3,-1

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