Answer to Question #332061 in Calculus for gel

Question

Find the volume of solid generated by revolving the area of the region bounded by:

a. y = √(4 - x ^ 2) y = 0 , between x = - 1 and x = 2 about x-axis

b. x = √(y), y = 4 x = 0 about y-axis

c. y = √x, x=4,y=0 about the line x = 4