Letf(x)=x+2,g(x)=x-2findfogandgof
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Step-by-step explanation:
f(x)=x+2,g(x)=x-2 find fog and gof
fog = f(g(x)) = f(x-2) = x-2+2 = x
gof = g(f(x)) = g(x+2) = x+2-2 = x
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