Question

Which of the following lists of ordered pairs is a function? A. (1,8), (2, 9), (3, 10), (3, 11) B. (-1,4), (1,7), (2, 10) C. (3,7),(4, 5), (3, 8) D. (-2,3), (1, 3), (3, 7), (1, 4)​

Answer 1

B because none of the x values repeat. For ex (2,3),(4,3),(2,4) is not a function because the x value repeat. I hope this answers your question.

Answer 2

B

Explanation:

B is the only one that doesnt share x-values