1. find the volume of the solid generatd by revolving aboutx=1 , the region in the second quadrant bounded above byy=4-x^2 , below by thex-axis, and on the right by they-axis.

2.Find the volume of the solid generatd by revolving about thex-axis, the region bounded by y=4/x and y=-x+5

3. Find the volume of the solid generatd by revolving about they -axis, the region bounded byx=y^2+4 and x=2y+4

4. Find the volume of the solid generatd by revolving about thex-axis, the region bounded by y=squre root of x,y=0, x=0, and x=9