For the Given Function F(x), Find F-1(x) $$f ( x ) = \frac { 5 } { x + 8 }$$

Multiple Choice

For the given function f(x) , find f-1(x) .
- $$f ( x ) = \frac { 5 } { x + 8 }$$

A) Not one-to-one
B) $f ^ { - 1 } ( x ) = \frac { 8 + 5 x } { x }$
C) $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { - 8 \mathrm { x } + 5 } { \mathrm { x } }$
D) $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 8 + 5 \mathrm { x } }$