Perform the Matrix Operation $A = \left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]$

question 47

Multiple Choice

Perform the matrix operation.
-Given $A = \left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]$ and $I = \left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right]$ , find IA.

• A)
• \(\left[ \begin{array} { r r } 9 & 4 \\ 3 & - 7 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r } 0 & - 4 \\ 0 & 13 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } - 7 & 9 \\ 4 & 3 \end{array} \right]\)

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Definitions:

Pneumatic Compression

A therapy technique involving air-filled devices that wrap around limbs to enhance blood flow and reduce swelling.

Range Of Motion

The full movement potential of a joint, usually measured in degrees of a circle, crucial for assessing and improving joint function.

Proximal Portion

The part of a limb or structure that is closer to the torso of the body.

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning any part of the body.