2/3!
I hope this helped! Mark me Brainliest! :) -Raven❤️
Firstly, multiply both sides by 2: 
Next, divide both sides by h: 
Next, subtract both sides by b1, and <u>your answer will be
</u>
the first rate is 1.25 ur on your own for the rest
Graph the points and connect them and draw vertical lines in between them. You can already tell it's a function because every input has exactly on output.