Find (F + G)(x) $\begin{array} { l } f ( x ) = x ^ { 2 } - 2 x - 1 \\g ( x ) = - 3 x ^ { 2 } + x - 1\end{array}$

Find (f + g) (x) .​​ $\begin{array} { l } f ( x ) = x ^ { 2 } - 2 x - 1 \\g ( x ) = - 3 x ^ { 2 } + x - 1\end{array}$ ​ ​

A) ​ $( f + g ) ( x ) = 4 x ^ { 4 } - 3 x ^ { 2 }$
B) ​ $( f + g ) ( x ) = 2 x ^ { 2 } - x + 2$
C) ​ $( f + g ) ( x ) = - 2 x ^ { 4 } - x ^ { 2 } - 2$
D) ​ $( f + g ) ( x ) = 4 x ^ { 2 } - 3 x$
E) ​ $( f + g ) ( x ) = - 2 x ^ { 2 } - x - 2$

Correct Answer:

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