f(x) = √(x+2) g(x) = x^2 + 1 (f◦g)(x) = f(g) = √(g+2) = √(x^2+1 + 2) = √(x^2+3) (g◦f)(x) = g(f) = f^2 + 1 = x+2 + 1 = x+3 now do the others in like wise
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