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:

Level 5 Calculations

Advanced mathematical computations that require high-level analytical skills, often beyond basic arithmetic or algebra.

Level 4 Evaluations

Pertains to the evaluation of training results based on business impact or changes in organizational performance due to a training program.

Utility Analysis

A quantitative method used to assess the effectiveness of a decision, system, or project, often in terms of its cost-effectiveness or efficiency.

Return on Investment

A financial metric used to evaluate the efficiency or profitability of an investment, calculated by dividing the profit from an investment by its cost.