# What is the asymptote of: f(x) = 1/x - x?

##### 1 Answer
Apr 14, 2018

$y = - x , x = 0$

#### Explanation:

Asymptote: $y = - x , x = 0$

For x, this is because your denominator cannot equal to zero as it is considered undefined

For y, when x approaches infinity, y approaches -x