Find the Slant Asymptote, If Any, of the Graph of the Rational

Multiple Choice

Find the slant asymptote, if any, of the graph of the rational function.
- $$f ( x ) = \frac { 9 x ^ { 2 } } { 7 x ^ { 2 } + 5 }$$

A) $y = 9 x$
B) $y = x + 9$
C) $y = x + \frac { 9 } { 7 }$
D) no slant asymptote