26. Let R be the region bounded by(y = x^2) and y = 4. Compute the volume of the solid formed by revolving R about the given line.

y = 4 (b) the y-axis (c) y = 6

(d) y = –2 (e) x = 2 (f) x = –4

(b) this is what figured out and got from symbolab

pi\int _{-2}^2\:\left(4\right)-\left(x^2\right) or 33.51032

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