Write the Domain in Interval Notation $$f ( x ) = \log _ { 9 } \left( \frac { x - 5 } { x + 8 } \right)$$

Multiple Choice

Write the domain in interval notation.
- $$f ( x ) = \log _ { 9 } \left( \frac { x - 5 } { x + 8 } \right)$$

A) $( - \infty , \infty )$
B) $( - 8,5 ]$
C) $( - 8,5 )$
D) $( - \infty , - 8 ) \cup ( 5 , \infty )$