Question: Rotate a Shaded 2D region around the Y-axis.

I have two functions:

f(x)= (x)^(1/2)


I want to get each function to rotate the y-axis and build the shape and I want the shaded region to build the 3D shape as it goes around the y-axis.

The domains for all would be 0 to 4.

The url link to what I am looking for it below.

Thank you in advanced!

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