Question 9Find the volume of the solid generated by the region bounded by the given functions inquadrant I when rotated about the y-axis.f(x)=x3g(x)=x3Question 10Use the functions provided to solve each of the following. Let the region Rbe the areabounded above byf(x) and bounded below byg(x)in quadrant I.Show all set-ups for credit.f(x)=4-x2g(x)=x+2aRis rotated about the liney=-1?bRis rotated about the y-axis.ckon the interval 0,8 that divides the area under g(x) into twoequal areas.