Add and Subtract Matrices
-Let $A = \left[ \begin{array} { r } 3 \\ - 5 \\ - 4 \end{array} \right]$

question 49

Multiple Choice

Add and Subtract Matrices
-Let $A = \left[ \begin{array} { r } 3 \\ - 5 \\ - 4 \end{array} \right]$ and $B = \left[ \begin{array} { r } - 5 \\ 3 \\ 9 \end{array} \right]$ . Find $A + B$ .

• A)
• \(\left[ \begin{array} { r } - 2 \\ - 2 \\ 5 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l l } - 2 & - 2 & 5 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 3 & - 5 \\ - 5 & 3 \\ - 4 & 9 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { l } 2 \\ 5 \\ 6 \end{array} \right]\)

Recognize the implications of the bowed-out shape of the production possibilities frontier indicating increasing opportunity costs.

Understand the distinction between attainable and unattainable outputs as represented by the production possibilities frontier.

Understand the impact of real wage changes on the opportunity cost of household work.

Recognize the factors contributing to the increased labor force participation of married women in the U.S.

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Definitions:

Filtrate

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Ammonia

A colorless gas with a pungent smell, composed of nitrogen and hydrogen (NH3), commonly used in fertilizers.

Nitrogen

A colorless, odorless, tasteless, nonmetallic element that constitutes 78 percent of the Earth's atmosphere; vital for all living organisms as a component of proteins and nucleic acids.

Protein Breakdown

The cellular process of breaking down proteins into their amino acid components, often for recycling or energy production.