Question: Find the functions (a) f g, (b) gf, (c) ff, and (d) gg and their domains. f(x) = x + 1/x, g(x) x + 1/x

Find the functions (a) f° g, (b) g°f, (c) f°f, and (d) g°g  and their domains.

f(x) = x + 1/x,     g(x) x + 1/x + 2

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