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Mathematics 15 Online
OpenStudy (anonymous):

Calculus Revolutions

OpenStudy (anonymous):

OpenStudy (anonymous):

I think the answer is A

OpenStudy (anonymous):

III only.

OpenStudy (anonymous):

|dw:1333397891807:dw| this is the unit circle (top half). if you revolve it about the x-axis, you'll get a sphere of radius 1. so volume of that sphere is 4/3*pi

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