Find the Indicated Vector $\mathbf { u } = 3 i , \mathbf { v } = \mathbf { i } + \mathrm { j }$

question 148

Multiple Choice

Find the indicated vector.
-Let $\mathbf { u } = 3 i , \mathbf { v } = \mathbf { i } + \mathrm { j }$ . Find $2 \mathbf { u } - \mathbf { v }$ .

• A) \(5 \mathbf { i } - 2 \mathbf { j }\)
• B) \(\mathbf { i } - 5 \mathbf { j }\)
• C) \(11 \mathbf { i } + \mathbf { j }\)
• D) \(5 \mathbf { i } - \mathbf { j }\)

---

Definitions:

Zero-Profit Equilibrium

A situation in a competitive market where each firm earns exactly what it spends, leaving no net profit.

Average Cost

The aggregate expense of manufacturing, when divided by the total goods manufactured, denotes the unit cost.

Communication

The exchange of information or messages between individuals through various channels and mediums.

Inspirational Workplace

An inspirational workplace is one that motivates individuals to achieve their best and fosters positive attitudes and creativity.