Question

Which of the following tables represents a function? A. B. C. D.

Answer 1

Answer:

B

Step-by-step explanation:

In a function the x value cannot repeat

As long as no x value repeats it is considered a function

In answer choice A the x value "1" repeats therefore table a is not a function

In answer choice B no x value repeats twice. This one might be the answer however lets check the other tables just to be safe.

In answer choice C the x value "-4" repeats multiple times therefore table C is not a function

In answer choice D the x value "1" and "2" repeat therefore table D is not a function.

Thus, the answer is B