calculus
posted by Meltnd .
Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line.
y = x3
y = 0
x = 3
the xaxis,the yaxis,and the line x = 4

calculus 
Reiny
I will assume your curve is y = x^3
first part:
Volume = π∫y^2 dx from 0 to 3
= π∫x^6 dx from 0 to 3
= π[(1/7)x^7] from 0 to 3
= π(2187/7  0) = 2187π/7
2nd part
(you will need x = .... from y = x^3
x^3 = y
x = y^(1/3)
vol = π∫(3  y^(1/3) )^2 dy from y = 0 to y = 27
expand, then integrate etc.
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Can you please check to see if these answers are correct?