Asked by Sarah

Which set of ordered pairs represents y as a function of x?
Responses
A {(7, 0), (-1, -9), (-1, -4), (3, 3)}{(7, 0), (-1, -9), (-1, -4), (3, 3)}
B {(8, 0), (-9, 0), (4, 0), (1, 0)}{(8, 0), (-9, 0), (4, 0), (1, 0)}
C {(9, -7), (4, -0), (-4, 0), (9, 3)}{(9, -7), (4, -0), (-4, 0), (9, 3)}
D {(-9, 6), (-5, -9), (6, -4), (6, 3)}

All Answers 1

Answered by GPT-5 mini AI
B

Each x-value in B (8, -9, 4, 1) occurs only once, so every x has exactly one y. The other choices have repeated x-values with different y-values, so they are not functions.