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F(x)= 3x OVER x+1 and g(x) =x^2-1 find formula for f(g(x))
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F(x)= 3x OVER x+1 and g(x) =x^2-1 find formula for f(g(x))

User Sungpah Lee
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f(g(x))=(3(x^2-1))/(x^2-1+1)=(3x^2-3)/(x^2)=3-(3)/(x^2)
User Berniey
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