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Let A={1,3,5,7}" and "B={2,4,6,8}. Let...

Let `A={1,3,5,7}" and "B={2,4,6,8}.`
Let `R={(x,y):x inA,y inB" and "xgtY}.`
(i) Write R in roster form.
(ii) Find dom (R) and range (R).
(iii) Depict R by an arrow diagram.

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