Find the Matrix Product AB, If It Is Defined $$A = \left[ \begin{array} { r r } - 1 & 3 \\2 & 2\end{array} \right] , B = \left[ \begin{array} { l l } - 2 & 0 \\- 1 & 2\end{array} \right]$$

question 49

Multiple Choice

Find the matrix product AB, if it is defined.
- $$A = \left[ \begin{array} { r r } - 1 & 3 \\2 & 2\end{array} \right] , B = \left[ \begin{array} { l l } - 2 & 0 \\- 1 & 2\end{array} \right]$$

• A)
• \(\left[ \begin{array} { r r } 2 & - 6 \\ - 1 & 1 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l } 6 & - 1 \\ 4 & - 6 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { l l } - 1 & 6 \\ - 6 & 4 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } 2 & 0 \\ - 2 & 4 \end{array} \right]\)

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Definitions:

Glomerular Filtration

The process by which the kidneys filter blood, removing excess fluids and waste products to produce urine.

Blood Pressure

A measure of the force that circulating blood exerts against the walls of blood vessels.

Tubular Reabsorption

The process by which the nephrons in the kidneys recover water and solutes from the filtrate and return them to the circulating blood.

Juxtaglomerular Apparatus

A structure in the kidney that regulates blood pressure by managing the release of renin.