From 51e4fa94a82333010cae22286c98b3f253378e24 Mon Sep 17 00:00:00 2001
From: Mlbchamp2 <38331859+Mlbchamp2@users.noreply.github.com>
Date: Mon, 5 Nov 2018 19:38:43 -0600
Subject: [PATCH] Added the text "The domain of y=e^x..." (#20980)

---
 guide/english/mathematics/e-constant/index.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/guide/english/mathematics/e-constant/index.md b/guide/english/mathematics/e-constant/index.md
index aa032aecedc..8f68ca375c7 100644
--- a/guide/english/mathematics/e-constant/index.md
+++ b/guide/english/mathematics/e-constant/index.md
@@ -12,6 +12,8 @@ E is a constant which we can use to observe the behavior of exponential function
 Furthermore, the inverse of e^x is ln(x), the base logarithmic function. 
 OF particular importance, ln(e) = 1.
 
+The domain of y=e^x is (-infinity,infinity).
+
 http://www.mathsisfun.com/numbers/e-eulers-number.html
 #### More Information:
 More information about e, exponential, and logarithmic functions can be found [here](https://www.khanacademy.org/tag/natural-logarithm-and-e)