Answer:
○ D. (2, 5), (3, 6), (6, 9)
Step-by-step explanation:
The reason why this is a function is because the x-coordinates are not repetitive, according to the <em>vertical</em><em> </em><em>line</em><em> </em><em>test</em><em> </em>[of course if this were to be graphed, you would see that this test would touch every point at exactly ONE point].
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