Plot[{-35000, 6.477}, {-5000, 6.699}, {-2000, 7.398}, {-1000, 7.699}, {0, 8.23}, {1000, 8.439}, {1370, 8.568}, {1400, 8.574}, {1800, 9}]

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.