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Find f + g, f – g, fg, and f/g and their domains

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Find f + g, f – g, fg, and f/g and their domains.

f(x) = x,          g(x) = Öx

Find (f + g)(x).

Find the domain of (f + g)(x). (Enter your answer using interval notation.)

Find (f – g)(x).

Find the domain of (f – g)(x). (Enter your answer using interval notation.)

Find (fg)(x).