Respuesta :

You can do the vertical line test in order to determine if it's a function or not, in this case it's A. If you were wondering the vertical line test is, it's where you draw lines vertically and if it hits the graph more than once, it isn't a function

JeanaShupp

Answer: A.

Step-by-step explanation:

We know that a function is a special kind of relation between two variables x ( input value) and y (output value) such that each input corresponds to exactly one output.

From all the three graphs , the graph A. shows the relation where there is two values of y for a unique value of x=2.

Therefore, the graph A. is not representing the function.

Hence, the graph A. is a relation( non- function).

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