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The graph of the area bounded by `y^2=x`, `y=4` and `x=0`.

Since `x=y^2`, we have `x^2=y^4`.

Hence, the volume generated is:

`"Vol"= pi int_c^d x^2 dy`

`=pi int_0^4 y^4 dy`

`=pi [(y^5)/(5)]_0^4`

`=pi[(1024)/(5)] - pi[0]`

`=(1024)/(5) pi\ text[units]^3`

`~~643.40\ text[units]^3`

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