A relation R from A to B is defined as R = {(x, y) : (x – y) is a positive integer x ∈ A, x ∈ B} where A = {0, 1, 2, 7, 9, 13} and B = {3, 1, 2, 8}
The domain and range of the relation R are respectively
(A) {9, 13} and {0}
(B) {9, 13} and {1, 2, 3}
(C) {0, 1, 2, 7} and (1, 2, 3, 8}
(D) {2, 7, 9, 13} and {1, 2, 3, 8}

Dear student
 There is  a mistake in the question  It should have been A relation R from A to B is defined  asR=x,y:x-y is a positive integer xA and yB where A=0,1,2,7,9,13  and B=3,1,2,8

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