Give the Equation of the Horizontal Asymptote, If Any, of the Function

Multiple Choice

Give the equation of the horizontal asymptote, if any, of the function.
- $$f ( x ) = \frac { 3 x ^ { 2 } + 4 } { 3 x ^ { 2 } - 4 }$$

A) $y = 4$
B) $y = 3$
C) $y = 1$
D) no horizontal asymptotes