lovebug2018 lovebug2018 Today at 12:26 PM Mathematics Answered Which is a function? O {(-3,5), (1,4), (3,7), (1,7), (4,9)} O {(7.9), (13,-2), (8,4), (7,0), (4,12)} O {(2,1), (-1,7), (6,-2), (10,3), (-6,0)} O {(-2,4), (7,4), (-6,8), (-2,8), (1,1)