Answer:
The answer is "The second choice".
Step-by-step explanation:

Formula:


Answer:
A function can be any set of points where one input is equal to one output. You cannot have two X values with the same Y value, for example.
<u>I believe the answer is neither</u> because in both sets you can see they have different Y values for the X values 2 and 9.
8x^2+10x-18
The explanation is in the picture below if needed
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Step-by-step explanation:
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