Question

Is the following relation a function?
x y
1 -2
1 -3
2 1
3 -2

Answer 1

In order for a relation to be a function, the x values may not have a different y value twice.
for example:
-3, 2
-3, 4
this is not a function ^

so what do you think ?

Answer 2

That makes sense. Thank you!

Answer 3

you're quite welcome ! i'm terrible at math, so it's great to be able to help someone ! c:

Answer 4

Well, I think you're amazing! c:

Answer 5

yes, it's not a function....