Use the Vectors $\mathbf { u } = \langle 3,5 \rangle$

question 222

Multiple Choice

Use the vectors $\mathbf { u } = \langle 3,5 \rangle$ , $\mathbf { v } = \langle - 2,4 \rangle$ , and $\mathbf { w } = \langle 3 , - 4 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.
$\left( \mathbf { v } ^ { * } \mathbf { u } \right) \mathbf { w }$

• A) \(\langle 42 , - 60 \rangle\) ; vector
• B) \(\langle 42 , - 56 \rangle\) ; vector
• C)-58; scalar
• D)-56; scalar
• E) \(\langle 42 , - 52 \rangle\) ; vector

---

Definitions:

Price Cut

A reduction in the selling price of products or services, often used as a strategy to increase consumer demand or compete more effectively.

Elasticity

A measure used in economics to show how much the quantity demanded of a good responds to a change in the price of that good, expressed as a percentage.

Kinked-Demand Curve

A model that suggests prices tend to be rigid or stable because businesses will follow a strategy of matching price increases but not price decreases by competitors.

Price Rigidity

The phenomenon where prices of goods and services do not adjust immediately to changes in supply and demand conditions.