1. Let S = {10, 11, 12, 13} and R = {(10, 11), (11, 11), (12, 13), (12, 10), (12, 12), (13, 10) } where R is a relation on S (a) (0.25 points) Find the composition relation of R (b) (0.25 points) Find the reflexive relation of R (c) (0.25 points) Find the symmetric relation of R (d) (0.25 points) Find the transitive relation of R