HaninX651612 HaninX651612

31-10-2022
Mathematics

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If f(x) = 2x + 1 and g(x) = x 7, find (++ g)(x). h

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DaysieK132645 DaysieK132645

31-10-2022

[tex]\begin{gathered} \text{Given that:} \\ f\mleft(x\mright)=2x^2+1 \\ g(x)=x^2-7 \end{gathered}[/tex][tex]\begin{gathered} (f+g)(x)=f(x)+g(x) \\ =(2x^2+1)+(x^2-7) \\ x^2+2x^2+1-7 \\ 3x^2-6 \end{gathered}[/tex]

Therefore Option B is correct

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