Perform the Indicated Matrix Operations $A = \left[ \begin{array} { r r } - 3 & 3 \\ 0 & 2 \end{array} \right]$

question 160

Multiple Choice

Perform the indicated matrix operations.
-Let $A = \left[ \begin{array} { r r } - 3 & 3 \\ 0 & 2 \end{array} \right]$ . Find $3 A$ .

• A) \(\left[ \begin{array} { r r } - 9 & 9 \\ 0 & 6 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } - 9 & 9 \\ 0 & 2 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l } 0 & 6 \\ 3 & 5 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r } - 9 & 3 \\ 0 & 2 \end{array} \right]\)

Identify principles of emotional health and its role in coping with life challenges.

Understand safe sex practices and their importance.

Distinguish between myths and facts related to substance use and its effects on health.

Apply strategies for managing stress effectively.

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Definitions:

Excludability

A characteristic of a good or service that allows owners or producers to prevent others from using it without permission.

Marginal-cost-marginal-benefit Rule

A principle suggesting that optimal decision making involves continuing an activity until the additional benefits no longer exceed the additional costs.

Cost-benefit Analysis

A systematic approach to estimating the strengths and weaknesses of alternatives used to determine options that provide the best approach to achieve benefits while preserving savings.