Which of these are a function?A. (4,5) (4,6) (2,7)B. (2,1) (3,2) (9,1)C. (3,4) (4,3) (3,3)D. (1,2) (5,6) (4,6)

1 answer
Question:

which of these are a function?
A. (4,5) (4,6) (2,7)
B. (2,1) (3,2) (9,1)
C. (3,4) (4,3) (3,3)
D. (1,2) (5,6) (4,6)

Answers

Answer:I'd say both b and d are functions. Niether one has a repeating x value which makes them functions.

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