Use the Matrix Capabilities of a Graphing Utility to Find

question 47

Multiple Choice

Use the matrix capabilities of a graphing utility to find AB,if possible. $$A = \left[ \begin{array} { c c } 4 & - 5 \\- 4 & 2 \\- 3 & - 9 \\- 5 & 8\end{array} \right] , B = \left[ \begin{array} { c c c c } - 1 & - 9 & 8 & - 7 \\- 9 & - 1 & - 1 & 9\end{array} \right]$$

• A) \[\left[ \begin{array} { c }
• 41 \\
• 34 \\
• - 32 \\
• 107
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c c c c }
• 41 & - 31 & 37 & - 73 \\
• - 14 & 34 & - 34 & 46 \\
• 84 & 36 & - 15 & - 60 \\
• - 67 & 37 & - 48 & 107
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c c c c }
• - 49 & - 41 & 27 & 17 \\
• 22 & 38 & - 30 & 10 \\
• - 78 & 18 & - 33 & 102 \\
• 77 & 53 & - 32 & - 37
• \end{array} \right]\]
• D)not possible
• E) \[\left[ \begin{array} { c c c c }
• 41 & - 14 & 84 & - 67 \\
• - 31 & 34 & 36 & 37 \\
• 37 & - 34 & - 15 & - 48 \\
• - 73 & 46 & - 60 & 107
• \end{array} \right]\]

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Definitions:

Proxemics

The examination of how humans utilize space and how behavior, communication, and social interactions are influenced by the concentration of people in an area.

Social Space

The conceptual area or environment in which social interactions and relationships occur.

Telecommunication

The exchange of information over significant distances by electronic means, encompassing the internet, phone calls, and other forms of digital communication.

Language Systems

The structured set of symbolic vocal or gestural signs used by humans to communicate thoughts, emotions, and information.