Use the domain and range of each of the following relations to determine which is a function. a. {(7,5), (-6,0), (2,3)} b. {(7,5), (-6,0), (-6,-2), (2,3)} c. {7,-6,2,-7} d. {(7,5), (-6,0), (7,3)} plz hurry its timed

A.  {(7,5), (-6,0), (2,3)}

Step-by-step explanation:

All of the x values do NOT repeat

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