Seja A {2, 3, 4, 5, 6), assinale a seguir a relação R que seja reflexiva:
A - AR = {(2, 2), (2, 3), (3, 2), (3, 6), (4, 3), (4, 6), (5, 2), (5, 5), (6, 2), (6, 1)).
B- R= {(2, 2), (2, 3), (3, 2), (3, 6), (4, 4), (4, 6), (5, 2), (5, 5), (6, 2), (6, 6)).
C - R = ((2, 2), (2, 3), (3, 3), (3, 5), (4, 4), (4, 6), (5, 2), (5, 5), (6, 2), (6, 3)).
D - R = {(2, 2), (2, 3), (3, 3), (3,5), (4, 4), (4, 6), (5, 2), (5, 5), (6, 2), (6, 6)).
E - R = ((2, 2), (2, 3), (3, 2), (3, 6), (4, 3), (4, 6), (5, 2), (5, 5), (6, 2), (6, 6)}.