Perform the Operation or Operations When Possible A) $\left[\begin{array}{r}7 x+3 y \\10 k-7 z \\5 w+8 v \\4 m-12 n\end{array}\right]$

question 307

Multiple Choice

Perform the operation or operations when possible.
- $\left[\begin{array}{r}2 x+7 y \\7 k-2 z \\-3 w+5 v \\6 m-9 n\end{array}\right]-\left[\begin{array}{r}-5 x-4 y \\-3 k-5 z \\-8 w+3 v \\2 m-3 n\end{array}\right]$

• A)
• \(\left[\begin{array}{r}
• 7 x+3 y \\
• 10 k-7 z \\
• 5 w+8 v \\
• 4 m-12 n
• \end{array}\right]\)
• B)
• \(\left[\begin{array}{r}
• -3 x+3 y \\
• 4 k-7 z \\
• -11 w+8 v \\
• 8 m-12 n
• \end{array}\right]\)
• C)
• \(\left[\begin{array}{r}
• -3 x+11 y \\
• 4 k+3 z \\
• -11 w+2 v \\
• 8 m-6 n
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{c}
• 7 x+11 y \\
• 10 k+3 z \\
• 5 w+2 v \\
• 4 m-6 n
• \end{array}\right]\)

---

Definitions:

Purely Competitive

A rephrasing of "Pure Competition," indicating a market structure with many participants, no barriers to entry, and a standard product.

Optimal Allocation

The most efficient distribution of resources in a manner that maximizes the net benefit received from their use.

Scarce Resources

Natural or economic resources that are limited in supply compared to the demand for them.

Long-run Equilibrium

Long-run equilibrium occurs when all firms in a market or industry are producing at their most efficient level, with no incentive to enter or exit the market.