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Let $f(x) = x^3 + 3x ^2 + 4x - 7$ and $g(x) = -7x^4 + 5x^3 +x^2 - 7$. What is the coefficient of $x^3$ in the sum $f(x) + g(x)?$

 May 15, 2023
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The coefficient of x^3 is 1 - 7 = -6.

 May 15, 2023

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