Find the Indicated Intercept(s) of the Graph of the Function $x$

Multiple Choice

Find the indicated intercept(s) of the graph of the function.
- $x$ -intercepts of $f ( x ) = \frac { x ^ { 2 } + 9 x } { x ^ { 2 } + 7 x - 9 }$

A) $( 0,0 ) , ( - 9,0 )$
B) $( - 9,0 )$
C) $( 9,0 )$
D) $( 0,0 ) , ( 9,0 )$