CPM Homework Help : CALC Problem 2-128

Rotate the flag shown below (created by the region under the curve for $0 ≤ x ≤ 4$ ) about the $x$ -axis. Describe (and draw) the shape that is created and find its volume.

Hint:

In order to visualize the resultant solid (and compute its volume), first dissect the flag into familiar-shaped pieces.

Use the eTool below to visualize the flag.
Click the link at right for the full version of the eTool: Calc 2-128 HW eTool