Respuesta :

Answer:

yes it is a function D

Step-by-step explanation:

When you draw a vertical line through any part of the parabola, you will see that it will only intersect with one point.

B is not the answer because it would not matter if there are no y values that have more than one x value becuase the statement that matters is...

         each x value should have 1 and ONLY one output (or y-value)

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