Find the Product, AB, If Possible $A = \left[ \begin{array} { r r } 3 & - 1 \\ 3 & 0 \end{array} \right] , B = \left[ \begin{array} { r r } 0 & - 1 \\ 3 & 6 \end{array} \right]$

Multiple Choice

Find the product, AB, if possible.
- $A = \left[ \begin{array} { r r } 3 & - 1 \\ 3 & 0 \end{array} \right] , B = \left[ \begin{array} { r r } 0 & - 1 \\ 3 & 6 \end{array} \right]$

A) $\left[ \begin{array} { l l } 0 & 1 \\ 9 & 0 \end{array} \right]$

B) $\left[ \begin{array} { r r } - 3 & 0 \\ 27 & - 3 \end{array} \right]$

C) $\left[ \begin{array} { r r } - 9 & - 3 \\ - 3 & 0 \end{array} \right]$

D) $\left[ \begin{array} { r r } - 3 & - 9 \\ 0 & - 3 \end{array} \right]$