Add and Subtract Matrices
-Let $\mathrm { A } = \left[ \begin{array} { r r } - 5 & 1 \\ 2 & 5 \end{array} \right]$

question 149

Multiple Choice

Add and Subtract Matrices
-Let $\mathrm { A } = \left[ \begin{array} { r r } - 5 & 1 \\ 2 & 5 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r } 6 & 2 \\ 4 & - 2 \end{array} \right]$ . Find $\mathrm { A } + \mathrm { B }$ .

• A)
• \(\left[\begin{array}{ll}
• 1 & 3 \\
• 6 & 3
• \end{array}\right]\)
• B)
• \(\left[\begin{array}{r}
• 34 \\
• -13
• \end{array}\right]\)
• C)
• \(\left[\begin{array}{rr}
• 1 & -3 \\
• -1 & -7
• \end{array}\right]\)
• D)
• \([ 13 ]\)

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Definitions:

ESV

End-Systolic Volume, the volume of blood in the ventricle at the end of contraction, just before ventricular relaxation.

HR

An acronym for Heart Rate, which is the number of times the heart beats per minute, an important indicator of cardiovascular health.

Right Atrium

The right upper chamber of the heart that receives deoxygenated blood from the body.