# What is the domain and range of e^x?

##### 1 Answer
Mar 26, 2015

Every exponential function has domain $\left(- \infty , \infty\right)$ and range $\left(0 , \infty\right)$
For base greater than $1$ the graph is:
graph{y=e^x [-12.97, 15.52, -5.67, 8.57]}

For base, $b$ with $0 < b < 1$, the graph looks like:

graph{y=e^(-x) [-7.43, 12.58, -5.646, 4.355]}