The relation written as a set of ordered pairs;
(-3, 0), (-2, -3), (-1, 1), (0, 2) (1, -1)
➜ Written as (x, y)
➜ It appears you have done this correctly
Is the relation also a function?
Yes.
➜ There is only one output for every input, so this relation is a function.
➜ It appears you accidentally messed up on this part