Find the Domain Of $f ( x ) = \frac { \ln ( x + 1 ) } { \ln ( x - 3 ) }$

Multiple Choice

Find the domain of $f ( x ) = \frac { \ln ( x + 1 ) } { \ln ( x - 3 ) }$

A) $( - 1 , \infty )$
B) $( 3 , \infty )$
C) $( - 1,3 ) \cup ( 3 , \infty )$
D) $( 3,4 ) \cup ( 4 , \infty )$