Answer:
(-2, 2), (0, 2), (7, 2), (11, 2)
Step-by-step explanation:
A relation must have no repeating x-values for it to be a function.
Set C does not have any repeating x-values, so it is a function.
Sets A, B, and D have repeating x-values, so they are not functions.
A: (0, 0), (2, 3), (2, 5), (6, 6)
B: (3, 5), (8, 4), (10, 11), (10, 6)
D: (13, 2), (13, 3), (13, 4), (13, 5)
c
hope this helps
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