Find the Requested Composition of Functions $f ( x ) = 2 x ^ { 2 } - 3$

Multiple Choice

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

A) $\frac { 18 } { x ^ { 2 } } - 3$
B) $6 x - \frac { 9 } { x }$
C) $\frac { 3 } { 2 x ^ { 2 } - 3 }$
D) $\frac { 18 } { x } - 3$