Find the Volume of the Solid Obtained by Rotating the Region

question 21

Multiple Choice

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line

---

Definitions:

Pyroclastic Flows

Fast-moving currents of hot gas and volcanic matter (collectively known as tephra) that move away from a volcano during an explosive eruption.

Eruption Column

A column of volcanic ash and gas that erupts into the atmosphere during a volcanic explosion.

Volcanic Mudflows

A fast-moving flow of volcanic materials, water, and debris known as a lahar, typically associated with intense volcanic activity.

Obsidian

A generally gray to black, shiny volcanic glass, usually of felsic composition.