Answer :
Answer:
C) (-3,7),(3,7),(7,3),(-7,-3)
Step-by-step explanation:
A function has no x-values repeating in a relation.
C has no x-values that are repeating in the relation, so it is considered a function.
A, B, and D, all have repeating x-values in the relation, therefore they are not functions.
C should be the correct answer.
Brainliest appreciated.