Question

Y = {(2,6), (3, 1, 4), (1). (5, 6)｝ Is y a function and why?

Answer 1

Answer:

D. No, the elements of the set of y are not all ordered pairs.

Step-by-step explanation:

Answer A. looks plausible: There are a few ordered pairs in this list, but that is not good enough.

All elements of the set should be ordered pairs and that is not the case. So answer D is correct.