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

Let `A = {1, 2, 3, 4, 5, 6, 7, 8}` and R be the relation on A defined by :
`R= {(x,y): x in A, y in A and x + 2y = 10}`
Find the domains and ranges of R and `R^(-1)` after expressing them as sets of ordered pairs.

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