Question

Which relation is not a function?

A. {(1.-5). (2. -4), (1.-4)}
B. {(1, -5), (2, -4), (3, -3)} C. {(1.-5), (2, -4), (3, 2)}
D. (1.-5). (2.-4), (3.-4)}

Answer 1

Answer: the answer for this one should be A. {(1.-5). (2. -4)}