Find the Value for the Function $f ( x + h )$

Multiple Choice

Find the value for the function.
-Find $f ( x + h )$ when $f ( x ) = \frac { 9 x + 8 } { 8 x - 3 }$

A) $\frac { 9 x + 8 h } { 8 x - 3 h }$

B) $\frac { 9 x + 9 h + 8 } { 8 x - 3 }$

C) $\frac { 9 x + 17 h } { 8 x + 5 h }$

D) $\frac { 9 x + 9 h + 8 } { 8 x + 8 h - 3 }$