Question

Which relation is a function?
A. (6,5), ( 1,1), (6,4)
B. (0,1), (2,3), (2,5)
C. (8,-2), (-2,5), (6,0)
D. (-2,3), (-5,9), (-5,3)

Answer 1

C. (8,-2), (-2,5), (6,0) is a function, because all the numbers are different unlike A, B, and D those all have the same number either in there domain or range.