# Thread: Finding asymptote of equation involving e

1. ## Finding asymptote of equation involving e

Hey, I was able to solve for the zeroes and y-intercept but was uncertain how to find the asymptote for y=20-5e^-2x.

$y=20-\dfrac{5}{e^{2x}}$
What value does $y$ approach as $x \to \infty$ ?