Which set of ordered pairs represents a function? \{(-8, -4), (-8, -1), (4, 5), (8, 7)\}{(−8,−4),(−8,−1),(4,5),(8,7)} \{(0, -8), (-8, -8), (9, 0), (-6, -6)\}{(0,−8),(−8,−8),(9,0),(−6,−6)} \{(8, 4), (8, -2), (-7, 6), (5, 2)\}{(8,4),(8,−2),(−7,6),(5,2)} \{(-1, 2), (-5, -3), (-8, 9), (-5, -8)\}{(−1,2),(−5,−3),(−8,9),(−5,−8) }