SOLUTION: Which relation is a function? A. (0, –45), (–45, –13), (18, –45) B. (33, –11), (23, 18), (23, –9) C. (8, 48), (8, 55), (9, 60) D.

Algebra ->  Sequences-and-series -> SOLUTION: Which relation is a function? A. (0, –45), (–45, –13), (18, –45) B. (33, –11), (23, 18), (23, –9) C. (8, 48), (8, 55), (9, 60) D.       Log On


   

Question 866953: Which relation is a function?


A.

(0, –45), (–45, –13), (18, –45)


B.

(33, –11), (23, 18), (23, –9)


C.
(8, 48), (8, 55), (9, 60)


D.

(–13, 30), (30, 19), (–13, 39)

Answer by Fombitz(32388) About Me  (Show Source):
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Only A.
One y value for each unique x value.