Question

Which of the sets of ordered pairs represents a function?

A = {(−5, 5), (−2, 2), (2, −2), (5, −5)}

B = {(4, 2), (3, −2), (9, 4), (11, −3)}

Only A
Only B
Both A and B
Neither A nor B

Answer 1

i believe its both but im not 100% sure

Answer 2

A = {(−5, 5), (−2, 2), (2, −2), (5, −5)} i think is a function but not sure

Answer 3

B = {(4, 2), (3, −2), (9, 4), (11, −3)} is definitly a function

Answer 4

so D and A is both incorrect C and B are our only answer choices left