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Consider the solid obtained by rotating the region bounded by the given curves about the y-axis. Find the volume of this solid. y^2=4x x=y I don't know how to start!

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the diagram looks something like this
Always begin with a drawing, to see what is going on:
1 Attachment

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Other answers:

very rough of course!!!!
@cwrw238: Geogebra is your friend ;)
@Aenn88: do you know the Shell method?
geogebra? i must try that
using cylindrical shells? i somewhat understand it in watching videos but I have a hard time applying it to another problem. i will use geogebra in the future! :)
See First , remember if y²=4x then y=√(4x). Here r is x, and h is the length of the vertical difference of the two graphs: Cylindrical shells:\[\int\limits_{0}^{4}2\pi r hdr=\int\limits_{0}^{4}2\pi x(\sqrt{4x}-x)dx\]
ok that makes sense..thank you

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