Find the Volume of the Described Solid $x$ -Axis At $x = - 2$

question 201

Multiple Choice

Find the volume of the described solid.
-The solid lies between planes perpendicular to the $x$ -axis at $x = - 2$ and $x = 2$ . The cross sections perpendicular to the $x$ -axis are circles whose diameters stretch from the curve $y = - 7 / \sqrt { 4 + x ^ { 2 } }$ to the curve $y = 7 / \sqrt { 4 + x ^ { 2 } }$ .

• A) \(49 \pi\)
• B) \(\frac { 7 } { 4 } \pi ^ { 2 }\)
• C) \(49 \pi ^ { 2 }\)
• D) \(\frac { 49 } { 4 } \pi ^ { 2 }\)

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