Perform the Indicated Operation, Where Possible $$\left[\begin{array}{r}3 \\-1 \\-4\end{array}\right]+\left[\begin{array}{r}-5 \\2 \\8\end{array}\right]$$

Multiple Choice

Perform the indicated operation, where possible.
- $$\left[\begin{array}{r}3 \\-1 \\-4\end{array}\right]+\left[\begin{array}{r}-5 \\2 \\8\end{array}\right]$$

A) $\left[\begin{array}{l}2 \\ 4 \\ 5\end{array}\right]$
B) $\left[\begin{array}{lll}-2 & 1 & 4\end{array}\right]$
C) $\left[\begin{array}{r}-2 \\ 1 \\ 4\end{array}\right]$
D) $\left[\begin{array}{rr}3 & -5 \\ -1 & 2 \\ -4 & 8\end{array}\right]$