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I need some serious help with this, please answer it and not put random things!

Which of the sets of ordered pairs represents a function?

A = {(1, āˆ’5), (8, āˆ’5), (8, 7), (2, 9)}

B = {(7, āˆ’4), (7, āˆ’2), (6, āˆ’3), (āˆ’9, 5)}

- Only A

- Only B

-Both A and B

-Neither A nor B

Respuesta :

sqdancefan

Answer:

-Neither A nor B

Step-by-step explanation:

If the "x" value is repeated among the ordered pairs, the relation is not a function.

A: there are 2 instances of (8, _)

B: there are 2 instances of (7, _)

Since both these relations have repeated x values, neither is a function.

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