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.
(1.3^(x-1)*(0.1x+1.9)+0.05x^2+0.9x-0.95)/10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
