Find the Indicated Matrix $A = \left[ \begin{array} { l l } - 1 & 2 \end{array} \right]$

question 52

Multiple Choice

Find the indicated matrix.
-Let $A = \left[ \begin{array} { l l } - 1 & 2 \end{array} \right]$ and $B = \left[ \begin{array} { l l } 1 & 0 \end{array} \right]$ . Find $3 A + 4 B$ .

• A) \(\left[ \begin{array} { l l } - 1 & 4 \end{array} \right]\)
• B) \(\left[ \begin{array} { l l } 2 & 2 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l } - 3 & 4 \end{array} \right]\)
• D) \(\left[ \begin{array} { l l } 1 & 6 \end{array} \right]\)

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Definitions:

Multidirectional Development

The concept that human development occurs in different directions, indicating varying changes (both gains and losses) throughout the lifespan.

Changing Resource Allocations

The process of adjusting how resources, such as time, money, or personnel, are distributed or utilized in response to different conditions or priorities.

Developmental Context

The combination of biological, psychological, and social factors that affect an individual's growth and development over time.

Lifelong Development

The continuous process of growth and change across the human lifespan, including physical, cognitive, and socioemotional development.