For the Given Functions F and G , Find the Indicated

Multiple Choice

For the given functions f and g , find the indicated composition.
- $$f ( x ) = \frac { 5 } { x - 8 } , \quad g ( x ) = \frac { 4 } { 5 x }$$
$( f \circ g ) ( x )$

A) $\frac { 25 x } { 4 - 40 x }$
B) $\frac { 4 x - 32 } { 25 x }$
C) $\frac { 25 x } { 4 + 40 x }$
D) $\frac { 5 x } { 4 - 40 x }$