Answer :

eah
[tex]f(x)=-6x-1 \\ g(x)=4x^2 \\ \\ So \ : \\\boxed{ (f+g)(x)=4x^2-6x-1}[/tex]

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[tex](f+g)(x)=f(x)+g(x)\\ (f+g)(x)=-6x-1+4x^2=4x^2-6x-1[/tex]

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