Question

Does each relation represent a function? Choose Yes or No.

(1,3), (2,5), (2,7), (4,9)
(1,3), (2,5), (3, 7). (4.9)
(1,3), (1,5), (1, 7), (1,9)
(1,3), (2, 3), (3, 3), (4,3)

Answer 1

no

Explanation:

Answer 2

No because on the third one all the x’s are 1 and for it to be a function it has to have different numbers for the x