Set, Relation and FunctionHard
Question
Let X = {1, 2, 3, 4, 5} and Y = {1, 3, 5, 7, 9}. Which of the following is/are relations from X to Y -
Options
A.R1 = {(x, y) | y = 2 + x, x ∈ X, y ∈ Y}
B.R2 = {(1, 1), (2, 1), (3, 3), (4, 3), (5, 5)}
C.R3 = {(1, 1), (1, 3), (3, 5), (3, 7), (5, 7)}
D.R4 = {(1, 3), (2, 5), (2, 4), (7, 9)}
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