Question

Exercise 1.2
1.
Let A = {1,2,3,7} and B = {3,0,-1,7}, which of the following are relation from A to B?
(i) R, = {(2,1), (7,1)}
(ii) R = {(-1,1)}
(iii) R3 = {(2,-1), (7,7), (1,3)}
(iv) RA= {(7,-1), (0,3), (3,3), (0,7)}
T​

Answer 1

Answer:

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