8. Use shells to nd the volumes of the given solids. Note that the rotated regions lie between the curve and the xaxis and are rotated around the yaxis. }'=V1x2,x=0, andx=l 9. Use shells to nd the volume generated by rotating the regions between the given curve and y : {1' around the xaxis. 3 y=7, x=0, x=2, and thexaxis 1|]. Find the length of the functions over the given interval. )1: -%x+25fromx= ltox=4