Question

Determine whether the following relation represents a function.
{(2,−1), (7,−9), (4,−6), (9,−2)}
Does the relation represent a​ function?

yes or no

Answer 1

if all the first co-ordinates are different then it is a function
check it

Answer 2

I think so.

Answer 3

so Yes it does represent a function?

Answer 4

yes

Answer 5

Thank you

Answer 6

:)