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.
y=8-(x-2)^2 , y = 2 + sqrt{8-x} from x=2 to 4
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random