Answer:
A
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
Choice A is correct.
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.
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