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

question 71

Multiple Choice

Perform the indicated operations and simplify.
-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) \(\left[ \begin{array} { r r r } 32 & 19 & 40 \\ - 15 & 31 & - 37 \end{array} \right]\)
• C) \(\left[ \begin{array} { l r r } 32 & 7 & 50 \\ 5 & - 23 & - 37 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } 68 & 3 & 31 \\ 8 & - 2 & - 5 \end{array} \right]\)

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Definitions:

Sensorineural Hearing Loss

A type of hearing loss resulting from damage to the inner ear or the auditory nerve pathways.

Malleus

The malleus is a small bone in the middle ear that transmits sound vibrations from the eardrum to the inner ear.

Lacrimal Fluid

The clear, watery fluid produced by the lacrimal glands in the eyes; it's commonly known as tears, serving to lubricate and protect the eye.

Lower Palpebrae

The lower eyelid, playing an essential role in protecting the eye from debris and aiding in tear distribution.