Identify the horizontal and vertical asymptotes, if any,
of the given function.
f(x) = \frac{x^2 - 4}{4 x - 12}
Separate multiple answers by commas.

Enter**DNE** if an asymptote does not exist.

Enter

- Horizontal asymptote(s):
y = - Vertical asymptote(s):
x =

You can earn partial credit on this problem.