Consider the Region Between the Graph Of $f ( x ) = \sqrt { x - 1 }$

Multiple Choice

Consider the region between the graph of $f ( x ) = \sqrt { x - 1 }$ and the x-axis on the interval [1, 5].
-Using four shells approximate the volume of the solid that is obtained by revolving this region around the y-axis.

A) 32.15 $\pi$
B) 30.15 $\pi$
C) 36.15 $\pi$
D) 41.15 $\pi$