Perform the Requested Operation on the Given Function $$f ( x ) = 2 x ^ { 2 } - 7 x , g ( x ) = x ^ { 2 } - 4 x - 21$$

Multiple Choice

Perform the requested operation on the given function.
- $$f ( x ) = 2 x ^ { 2 } - 7 x , g ( x ) = x ^ { 2 } - 4 x - 21$$
Find $\left( \frac { f } { g } \right) ( x )$ .

A) $\frac { 2 x - 7 } { - 4 }$
B) $\frac { 2 x } { x + 1 }$
C) $\frac { 2 - x } { 21 }$
D) $\frac { 2 x ^ { 2 } - 7 x } { x ^ { 2 } - 4 x - 21 }$