Find the Area or Volume $y = \frac { 1 } { ( x + 1 ) ^ { 3 / 2 } }$

Multiple Choice

Find the area or volume.
-Find the area under the curve $y = \frac { 1 } { ( x + 1 ) ^ { 3 / 2 } }$ bounded on the left by $x = 15$ .

A) $\frac { 2 } { 15 }$
B) $\frac { 1 } { 2 }$
C) 8
D) $\frac { 1 } { 4 }$