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(12,-18),(15,1),(12,5),(0,9),(-5,-19) State whether each set of ordered pairs represents a function
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(12,-18),(15,1),(12,5),(0,9),(-5,-19) State whether each set of ordered pairs represents a function

User Dylan Hogg
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Not a function, in (12,-18) and (12,5) the x values repeat, making it not a function
User Klashagelqvist
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