For the Given Functions F and G, Find the Requested $f ( x ) = \sqrt { x } ; g ( x ) = 4 x - 9 \quad$

Multiple Choice

For the given functions f and g, find the requested function.
- $f ( x ) = \sqrt { x } ; g ( x ) = 4 x - 9 \quad$ Find $\left( \frac { f } { g } \right) ( x )$

A) $\left( \frac { \mathrm { f } } { \mathrm { g } } \right) ( \mathrm { x } ) = \frac { \sqrt { \mathrm { x } } } { 4 \mathrm { x } - 4 }$ , where $x \neq 1$
B) $\left( \frac { \mathrm { f } } { \mathrm { g } } \right) ( \mathrm { x } ) = \frac { \sqrt { \mathrm { x } } } { 4 \mathrm { x } - 9 }$ , where $x \neq \frac { 9 } { 4 }$
C) $\left( \frac { f } { g } \right) ( x ) = \frac { \sqrt { x } } { 9 - 4 x }$ , where $x \neq \frac { 9 } { 4 }$
D) $\left( \frac { \mathrm { f } } { \mathrm { g } } \right) ( \mathrm { x } ) = \frac { 9 - 4 \mathrm { x } } { \sqrt { \mathrm { x } } }$ , where $x \neq 0$