Q7 of 47 Page 16

Let

Find the domain and range of R.


dom (R) = {2, 3, 4} and range


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Let R ={(a, b): a, b ∈ N and a + 3b = 12}.

Find the domain and range of R.


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Let R = {(a, b) : b = |a – 1|, a ∈ Z and la| < 3}.

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Let S be the set of all sets and let R = {(A, B) : A ⊂ B)}, i.e., A is a proper subset of B. Show that R is (i) transitive (ii) not reflexive (iii) not symmetric.