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F(X) x-2/2 find FF(X)​

User Hitchhiker
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f(x) = (x-2)/(2)\\\\\\f(f(x)) = ((x-2)/(2)-2)/(2)\\\\\\f(f(x)) = ((x-2-4)/(2))/(2)\\\\\\f(f(x)) = (x-6)/(4)

User Ron Chan
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