Q9 of 65 Page 67

Let R = {(x, x + 5): x ϵ {9, 1, 2, 3, 4, 5}}.

(i) Write R in roster form.


(ii) Find dom (R) and range (R).


Given: R = {(x, x + 5): x ϵ {9, 1, 2, 3, 4, 5}}


(i) R is Foster Form is,


R = {(9, 14), (1, 6), (2, 7), (3, 8), (4, 9), (5, 10)}


(ii) Dom(R) = {1, 2, 3, 4, 5, 9}


Range(R) = {6, 7, 8, 9, 10, 14}


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