Find the Requested Composition of Functions $f ( x ) = \frac { 5 } { x }$

Multiple Choice

Find the requested composition of functions.
-Given $f ( x ) = \frac { 5 } { x }$ and $g ( x ) = 2 x ^ { 3 }$ , find $g \circ f ( x )$

A) $\frac { 2 x ^ { 3 } } { 125 }$
B) $\frac { 250 } { x ^ { 3 } }$
C) $\frac { 5 } { 2 x ^ { 3 } }$
D) $\frac { 2 x ^ { 3 } } { 5 }$