divinef856 divinef856 25-02-2021 Mathematics contestada Which set of values is a function? a.)(9,5), (10,5), (9,-5),(10,-5) b.)(3,4), (4,-3),(7,4),(3,8) c.)(6,-5) (7,-3), (8,-1), (9,1) d.)(2, -2), (5,9), (5,-7), (1,4)