Hey guys, I have been attempting the following problem for days now, and I just cannot seem to get the right answers. I know it probably is really simple and that I am over thinking it, but my answers are always off. I would really appreciate the help. Thanks!

Find the volume of the solid generated by resolving the region bounded by the following information:

y=sqrt(x), y=0, x=4

a) the x-axis

b) the y-axis

c) the line x=4

d) the line x=6