Respuesta :

eesha399

Answer:

Choice A is correct.  

Step-by-step explanation:

A function, by definition, only maps one output to one input.  You can't have multiple outputs to one input.  All the other choices do that, Choice A doesn't.

Saffrons

Answer:

A

Step-by-step explanation:

A function is where there are none of the x-intercepts are repeated. Answer A each has 4 x-intercepts, but none of them are repeated. All the other answers (B, C, and D) have an x-intercept that is repeated.

Hope this helps <3

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