# Math Help - Writing equations in function notation-HELP

1. ## Writing equations in function notation-HELP

Please help with Algebra I homework: function notation for x 0, y 1; x 1, y 0; x 2, y -1; x 3, y -2.

Thanks so much for any help. Too many years have passed for me to remember how this works. s

2. Originally Posted by sandj
Please help with Algebra I homework: function notation for x 0, y 1; x 1, y 0; x 2, y -1; x 3, y -2.

Thanks so much for any help. Too many years have passed for me to remember how this works. s
$f(0)=1,f(1)=0,f(2)=1,f(3)=-2$.