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.
plot 48/(9+x), 96/(18+x), 144/(27+x), x=3.0 from 5 to 25
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random