Find the Domain of the Function $$f ( x ) = \log _ { 4 } ( x - 9 ) ^ { 2 }$$

Multiple Choice

Find the domain of the function.
- $$f ( x ) = \log _ { 4 } ( x - 9 ) ^ { 2 }$$

A) $( - \infty , 9 )$ or $( 9 , \infty )$
B) $( 9 , \infty )$
C) $( - \infty , 0 )$ or $( 0 , \infty )$
D) $( - 9 , \infty )$