Question

Determine which of the following relations is reflexive, symmetric or transitive ?
(1)A = {1, 2, 3,...., 10}. S = {(x, y) |y = 2x}
(2) A = N,S = {(x, y) |y divides x}
(3) A = {1, 2, 3, 4, 5, 6}, S = {(x, y) | y divides x}
(4) A=Z,S={(x,y) | x-y ∈ Z}
(5) A=R,S={(x,y) | y = x+1}

Answer 1

Step-by-step explanation:

it is so hard question