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f(x)= -5x-1 and g(x)= 2x^2
solve (f+g)(x)

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[tex]f(x)=-5x-1;\ D_f:x\in\mathbb{R}\\\\g(x)=2x^2;\ D_g:x\in\mathbb{R}\\\\D_f=D_g\ then\ (f+g)(x)=f(x)+g(x)\\\\(f+g)(x)=-5x-1+2x^2=2x^2-5x-1[/tex]
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Xhadeid
[tex] \{f + g \}(x) = (-5x - 1 )\ +\ 2 x^{2} \\\\= 2 x^{2} -5x - 1\ \ Answer[/tex]

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