The Following Table Shows Sales of Recreational Boats in the United

question 166

Multiple Choice

The following table shows sales of recreational boats in the United States during the period 1999-2001. $$\begin{array} { | l | l | l | } \hline & \text { Motorboards } & \text { Jet Skis } \\\hline 1999 & 310,000 & 110,000 \\\hline \text { Increase in } 2000 & 9,000 & 0 \\\hline \text { Increase in } 2001 & - 40,000 & - 40,000 \\\hline\end{array}$$
Write the matrix algebra formula that will find the sales in each category.

• A) \(\left[ \begin{array} { l }
• 310,000 \\
• 110,000
• \end{array} \right] + \left[ \begin{array} { c }
• 9,000 \\
• - 40,000
• \end{array} \right] + \left[ \begin{array} { c }
• 0 \\
• - 40,000
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l }
• 310,000 & 110,000
• \end{array} \right] + \left[ \begin{array} { l l }
• 9,000 & 0
• \end{array} \right] - \left[ \begin{array} { l l l }
• - 40,000 & - 40,000
• \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l }
• 310,000 & 110,000
• \end{array} \right] + \left[ \begin{array} { l l }
• 9,000 & 0
• \end{array} \right] + \left[ \begin{array} { l l l }
• - 40,000 & - 40,000
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l l }
• 310,000 & 110,000
• \end{array} \right] + \left[ \begin{array} { l l }
• 9,000 & - 40,000
• \end{array} \right] + \left[ \begin{array} { l l }
• 0 & - 40,000
• \end{array} \right]\)
• E) \(\left[ \begin{array} { l }
• 310,000 \\
• 110,000
• \end{array} \right] + \left[ \begin{array} { c }
• 9,000 \\
• 0
• \end{array} \right] + \left[ \begin{array} { l }
• 40,000 \\
• 40,000
• \end{array} \right]\)