MEDAL!!!!!!
Which of the sets of ordered pairs represents a function?

A = {(1, −2), (3, −5), (5, 2), (7, 5)}

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

1. Only A
2.Only B
3.Both A and B
4.Neither A nor B

Question

MEDAL!!!!!!
Which of the sets of ordered pairs represents a function?

A = {(1, −2), (3, −5), (5, 2), (7, 5)}

B = {(4, 2), (4, −2), (9, 3), (9, −3)}

1. Only A
2.Only B
3.Both A and B
4.Neither A nor B

alexandervonhumboldt2 · Answer

function is something where only one value of xcorrecponfds onlto one value of y. So only A.

dtan5457 · Answer

B = {(4, 2), (4, −2), (9, 3), (9, −3)}

^^^

Double x value, fails the vertical line test.

Only a.

anonymous · Answer

@AlexandervonHumboldt2 thank you! but im sorry @dtan5457 explained it better!