# How do you find the limit of #e^-x # as x approaches infinity?

##### 1 Answer

Jul 7, 2018

#### Answer:

Limit =

#### Explanation:

Given:

Find

If you have a calculator, evaluate the function with a very large value of

or graph the function and visually look to see that there is a horizontal asymptote at

graph{e^(-x) [-10, 10, -5, 5]}