Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
lim
x
mm-template-arrow-right-8
2
x
2
x
≤
2
5
x
-
7
x
>
2
Math Input
Natural Language
Math Input
