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.
f(x)=1/80x2+15, f(x)=30 1+ln(x/25)ln(12/5) where x= 0 to 50
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random