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Mathematics 12 Online
OpenStudy (marcelie):

help please: find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis

OpenStudy (marcelie):

\[x=0\] \[x=9-y^2\] \[about y=-1\]

OpenStudy (irishboy123):

draw it!! that's the key

OpenStudy (marcelie):

so this what i graphed

OpenStudy (marcelie):

the problem for me is how do i draw my radius ?

OpenStudy (irishboy123):

|dw:1473891067052:dw|

OpenStudy (irishboy123):

about y = -1

OpenStudy (marcelie):

would be like this ?|dw:1473891112298:dw|

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