Please help - Question about Calculus: find volume of x=3y-3y^2 about the x axis, using shells. I don't know how to visualize this graph: I don't know how to plug it in on a graphing calc because it is x = , not y = ; and I don't get how I can visualize it mentally? thank you!

Question

anonymous · Answer

Keep in mind that variables are arbitrary. You can swap $x$ with $y$ and you know you have a parabola in the "usual" sense, where the $x$ axis is the vertical axis and $y$ axis is the horizontal one:
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