If Possible, Find 4A + 5B A) $\left[ \begin{array} { c c c } - 73 & - 6 & - 43 \\- 18 & - 64 & 39\end{array} \right]$

question 30

Multiple Choice

If possible, find 4A + 5B. $A = \left[ \begin{array} { c c c } - 7 & 1 & - 2 \\- 7 & - 6 & 1\end{array} \right] , B = \left[ \begin{array} { c c c } 9 & 2 & 7 \\- 2 & 8 & - 7\end{array} \right]$

• A) \(\left[ \begin{array} { c c c }
• - 73 & - 6 & - 43 \\
• - 18 & - 64 & 39
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c c }
• 2 & 3 & 5 \\
• - 9 & 2 & - 6
• \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l }
• 1 & 0 & 0 \\
• 0 & 1 & 0
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c }
• 17 & 14 & 27 \\
• - 38 & 16 & - 31
• \end{array} \right]\)
• E)not possible

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Definitions:

Situational Awareness

The perception of the elements in the environment within a volume of time and space, the comprehension of their meaning, and the projection of their future status.

7 ± 2

A theory suggesting that the average person can hold about 7 (plus or minus 2) items in their working memory.

Miller

Refers to George A. Miller, a cognitive psychologist best known for his theory regarding the limit of short-term memory capacity, often summarized as "seven, plus or minus two" pieces of information.

Memory Capacity

Memory capacity refers to the amount of information that can be stored in the memory system at any given time.