Question

Which of the sets of ordered pairs represents a function?

A = {(3, −5), (4, 6), (−3, 9), (2, 7)}
B = {(2, 4), (−1, −7), (5, 6), (4, 3)}


Only A

Only B

Both A and B

Neither A nor B

Answer 1

Both!!

If you look at it, none of the x values are repeating with a differnt outcome, so you know that they both are correct.

Also I just took the quiz c:

Answer 2

Both A and B

Explanation:

A = {(3, −5), (4, 6), (−3, 9), (2, 7)}

-Each x goes to a different y so this is a function

B = {(2, 4), (−1, −7), (5, 6), (4, 3)}

-Each x goes to a different y so this is a function