Ihave 7 minutes is the relation a function? select yes or no for each relation. a) (−2, 1), (−4, −2), (3, 1), and (8,  9) b) (−2, 1), (−4, −2), (3, −2), and (8,  6) c) (−2, 6), (−4, 3), (3, −2), and (8,  6) d) (3, −9), (−4, 1), (3, −2), and (5,  6)