Find the Domain of the Logarithmic Function $f ( x ) = \log \left( x ^ { 2 } - 13 x + 36 \right)$

Multiple Choice

Find the domain of the logarithmic function.
- $f ( x ) = \log \left( x ^ { 2 } - 13 x + 36 \right)$

A) $( - \infty , 4 ) \cup ( 9 , \infty )$
B) $( - 4,9 )$
C) $( 9 , \infty )$
D) $( - \infty , - 4 )$