Find the Indicated Matrix , And $\mathrm { C } = \left[ \begin{array} { r r r } 7 & - 9 & 0 \\ 3 & - 5 & 1 \\ - 1 & 6 & 2 \end{array} \right]$

question 13

Multiple Choice

Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r } 3 & - 4 \\ - 2 & 5 \end{array} \right] , \mathrm { B } = \left[ \begin{array} { r r r } 5 & - 2 & 8 \\ 1 & 0 & - 3 \end{array} \right]$ , and $\mathrm { C } = \left[ \begin{array} { r r r } 7 & - 9 & 0 \\ 3 & - 5 & 1 \\ - 1 & 6 & 2 \end{array} \right]$ . Find $\mathrm { AB } + \mathrm { BC }$ .

• A) \(\left[ \begin{array} { r r r } - 10 & - 19 & 12 \\ - 15 & 31 & - 25 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r } 32 & 7 & 50 \\ 5 & - 23 & - 37 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } 32 & 19 & 40 \\ - 15 & 31 & - 37 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } 68 & 3 & 31 \\ 8 & - 2 & - 5 \end{array} \right]\)

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Definitions:

Stage III Pressure Ulcer

A type of injury to the skin and underlying tissue characterized by full-thickness skin loss that may expose some fat, but not muscle or bone.

Low-Air-Loss Therapy

A treatment method involving the use of specialized mattresses or supports that utilize airflow to reduce skin pressure and promote wound healing.

Dakin's Solution

An antiseptic solution containing sodium hypochlorite, used in wound care to kill bacteria and clean infections.

Braden Scale

A tool used to assess a patient's risk of developing pressure ulcers.