Shell Method -- Revolve around y-axis, but write function in terms of x.
1) Overall review of concept:
Use Red & Black book p385 Review formula, ex1-ex4
or video review:
https://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/solid_of_revolution/v/solid-of-revolution--part-5
Copy basic notes.
2) Practice:
Using Red & Black book p 389. Complete 5 problems and check using the great big book of everything.
Try these problems and then look over the solutions.
http://tutorial.math.lamar.edu/Classes/CalcI/VolumeWithCylinder.aspx
3) Continue exploring volumes of revolution using other web page for that topic.
http://www2.bc.cc.ca.us/resperic/math6a/lectures/ch6/2/shell.htm