Question

Can someone help with the second thingy

Answer 1

I believe it's the each x-value has its own y-value

Explanation:

They all look different. The only coordinates that look similar are (5,5) and (6,5). I'm sorry if this is incorrect, I'm not too sure of it either.

Answer 2

it repeats 6, with a set of points you cannot repeat the x or else it will not be a function