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[(1 + 3 x^2 + 1/2000 x^8) E^(-x), {x, 0, 15}]
Plot[(1 + 3 x^2 + 1/2000 x^8) E^(-x), {x, 0, 15}]
Natural Language
Math Input
Extended Keyboard
