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If A={1,2,3) and f g are relations corre...

If A={1,2,3) and f g are relations corresponding to the subset of A `xx` A indicated against them, which off, g is a function? Why? f = {(1, 3), (2, 3), (3, 2)), g = {(1,2), (1, 3), (3, 1)}

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