Directions: For each problem, set up but do not evaluate the integral to find the volume of the solid generated by rotating the region bounded by $f(x)=x^2+1,x=1,y=5$ about the given line using the given method.

$1$ v$-$ovie. Aick$/$washer

$4.x=1$; shell

$(2\mathrm{.}8)|$