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F(x) = 4x² + 5x - 3 g(x) = 4x³ 3x² + 5 Find (f+g)(x).
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24 votes
F(x) = 4x² + 5x - 3
g(x) = 4x³
3x² + 5
Find (f+g)(x).

User Zeynep
by
8.3k points

1 Answer

6 votes

Answer:


4x^3+7x^2+5x+2

Explanation:

Given:


f(x)=4x^2+5x-3


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


\begin{aligned}\implies (f+g)(x)=f(x)+g(x) & = (4x^2+5x-3) + (4x^3+3x^2+5) \\& = 4x^2+5x-3+4x^3+3x^2+5 \\& = 4x^3+4x^2+3x^2+5x-3+5 \\& = 4x^3+7x^2+5x+2 \\\end{aligned}

User Bharath Mg
by
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