Rotate the area bound by the following lines around the x-axis.

[kashiark]

Homework Statement

Rotate the area bound by the following lines around the x-axis.
y = x^2+1, y = -x^2+2x+5, x = 0, x = 3

Homework Equations

None that are uniform enough to put here considering I'm fairly sure it's not washer...

The Attempt at a Solution

 

[Mark44]

Homework Statement

Rotate the area bound by the following lines around the x-axis.
y = x^2+1, y = -x^2+2x+5, x = 0, x = 3

The first two equations are not lines. Their graphs are parabolas.

Homework Equations

None that are uniform enough to put here considering I'm fairly sure it's not washer...

The Attempt at a Solution

What have you done so far? Have you sketched a graph of the region being rotated?