Question

Which of the following relations is a function? will give 5stars!

A. (-2, -2), (-9, -5), (3, 8), (3, 2)
B. (-9, 2), (-2, 3), (3, 7), (6, 2)
C. (-9, 0), (-2, 5), (-9, -3), (3, 9)
D. (6, -10), (-9, 7), (6, 6), (-9, 12)

Answer 1

$A. (-2, -2), (-9, -5), (\boxed{3}, 8), (\boxed{3}, 2)\\\\B. (-9, 2), (-2, 3), (3, 7), (6, 2)\\\\C. (\boxed{-9}, 0), (-2, 5), (\boxed{-9}, -3), (3, 9)\\\\D. (\boxed{6}, -10), (-9, 7), (\boxed{6}, 6), (-9, 12)\\\\Answer:\ B.\\\\\text{B. has different x}$