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Which set of ordered pairs represents a function?

{(-7,2), (3, -1), (8, -2),(-8, -2)}
{(2,4),(6,2), (-8,-4), (-8,-6)}
{(-2,0), (1,4), (1, – 7), (7, -2)}
{(4,9), (–9,7), (-9, -6), (8, -3)}

User Ghillie
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1 Answer

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Answer: A)
The first one because the x don’t repeat
User Aduguid
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