maniyamcrae288p6o7pl maniyamcrae288p6o7pl 01-04-2019 Mathematics contestada Which relation is a function? A. (9,-1),(-1,9),(9,2),(2,-1) B. (8,-4),(-4,8),(-8,4),(-4,-8) C. (5,-7),(4,6),(-3,8),(5,8) D. (2,3),(-2,3),(3,2),(-3,-2)
