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Let g(x) = x^2 - 11x + 30.  Find the polynomial f(x) with positive leading coefficient, that satisfies g(f(x)) = x^4 - 14x^3 + 68x^2 - 133x + 90.

 Mar 11, 2022
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f(x) = x^2-7x+15       

 Mar 11, 2022

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