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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^2 in the sum f(x) + g(x)?

 Jan 31, 2022
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f(x)  =                x^3 + 3x ^2 + 4x - 7 

g(x) = -7x^4 + 5x^3 +    x^2         - 7

 

I am guessing it is 3 + 1 = 4?

 Jan 31, 2022

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