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.
max (1 * 0.5 + (4-b)/(b+1) * (1+b) + (4-(4-b)/(b+1)) * 1)/5
max (1 * 0.5 + (4-b)/(b+1) * (1+b) + (4-(4-b)/(b+1)) * 1)/5
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random