Solve the Problem $A = \left[ \begin{array} { r r } - 2 & 3 \\ 3 & 2 \end{array} \right]$

question 82

Multiple Choice

Solve the problem.
-Let $A = \left[ \begin{array} { r r } - 2 & 3 \\ 3 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { c c } - 2 & 0 \\ - 1 & 4 \end{array} \right]$ . Find $A B$ .

• A) \(\left[ \begin{array} { r r } 12 & 1 \\ 8 & - 8 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } 4 & - 6 \\ - 4 & 5 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r } 4 & 0 \\ - 3 & 8 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r } 1 & 12 \\ - 8 & 8 \end{array} \right]\)

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Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, involved in the body's stress response as well as metabolism and immune function.

Cortical Atrophy

The reduction of brain tissue in the cerebral cortex, often associated with age, neurological diseases, or conditions affecting brain health.

Schizophrenia

Behavioral disorder characterized by delusions, hallucinations, disorganized speech, blunted emotion, agitation or immobility, and a host of associated symptoms.

Temporal Cortex

The cortex within the temporal lobe involved in processing sensory input into derived meanings for the appropriate retention of visual memory, language comprehension, and emotion association.