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4 votes
4 votes
f(x) = 3x3 + 4x2 – 82 - 2g(x) = 3x - 5Find (f - g)(x).O A. (f - g)(x) = 3x3 + 4x2 – 11x – 7O B. (f - 9)(x) = 3x3 + 4x2 – 5x + 3O c. (f - g)(x) = 3x3 + 4x2 – 11x +3O D. (f - g)(x) = 3x3 + 4x2 – 5x – 7SUBMIT

User Manas Ranjan Sahoo
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1 Answer

15 votes
15 votes

The functions:


\begin{gathered} (f-g)(x)=3x^3+4x^2-8x-2-(3x-5) \\ =3x^3+4x^2-11x+3 \end{gathered}

Therefore the answer is C.

User Mingchaoyan
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