For What Values Of $k$ Does the Function $y = \cos k t$

question 32

Multiple Choice

For what values of $k$ does the function $y = \cos k t$ satisfy the differential equation $49 y ^ { \prime \prime } = - 81 y$ ?

• A)
• \[k = - \frac { 1 } { 9 }\]
• B) \(k = \frac { 1 } { 9 }\)
• C)
• \[k = - \frac { 9 } { 7 }\]
• D) \(k = \frac { 1 } { 7 }\)
• E) \(k = \frac { 9 } { 7 }\)

Analyze the consequences of filtering in organizational communication.

Appreciate the role of active listening in effective communication and its components.

Distinguish between communication needs in different scenarios to select appropriate channels.

Understand the role of gender differences in communication styles within organizations.

---

Definitions:

Job-Order Costing

A cost accounting system used to allocate costs to specific jobs or batches, useful for unique or custom orders.

Machine-Hours

A measure of production time, referring to the total hours a machine is operated within a specific period.

Predetermined Overhead Rate

An estimated charge per unit of activity used to allocate manufacturing overhead costs to products.

Job-Order Costing

An accounting method used to track costs specifically associated with a given job or project.