graph the area bounded by y= 1 x=4 and y = radical x

fidn the volume of the solid formed by revolving the area about the line y=1

find H.

use disc/ washer method

find all teh radiuses..

my finals is in about 7 hours and im cramming alot.. and if anyone is willing to help im willing to thank them to unimaginable heights! i need to pass calc hopefully..

this will make or break my grade >_>