jackibrax jackibrax

14-06-2021
Mathematics

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f(x) = 4 - 2x – 2x3
g(x) = x² + 7x-9
Find f(x) + g(x).

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wegnerkolmp2741o wegnerkolmp2741o

14-06-2021

Answer:

-2x^3+x^2+5x-5

Step-by-step explanation:

f(x) = 4 - 2x – 2x^3

g(x) = x² + 7x-9

f(x) + g(x)=4 - 2x – 2x^3+ x² + 7x-9

Combine like terms

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

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