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Determine which set of ordered pairs represent a

Function and justify your selection.
{(-1,4), (2, 4), (8,4), (10,4)}
{(0, -2), (3, 7), (0, 2), (18,2))
{(-1,3), (-1,-1), (-1,-12), (-1,0)}
{(1, 2), (2, 3), (3, 4), (3,5)}
Justification: (What is your reasoning?)

1 Answer

1 vote

Answer:

{(-1,4), (2, 4), (8,4), (10,4)}

all of the x-values are different

Explanation:

The other three options have duplicate x-values with different y-values.

User Morgant
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