Question

9. Which relation represents a function?

A. {(−1, 3), (0, −1), (1, 3), (2, 5)}
B. {(1, −1), (−1, 0), (1, 1), (3, 2)}
C. {(5, −1), (3, −1), (4, 1), (5, 2)}
D. {(−4, 2), (1, −2), (0, 0), (1, 1)}

Answer 1

The answer you would be looking for is A

Explanation:

Answer 2

Your answer is A due to there are no similar numbers in the whole equation of A in the x spot (x,y)