Question

HELP ASAP

Which relation below is not a function?

{(2, 7), (9,-4), (0:-5). (9. 3)}

(0, 0), (1, 1), (2, 2), (3, 3)}

Answer 1

It’s actually the first one. The way you tell is to make sure each input has an equal output. So 9 going in and getting -4 and 3 is not possible in a function.