Write the Following as an Algebraic Expression in U, U $\tan \left( \cos ^ { - 1 } \frac { \mathrm { u } } { 3 } \right)$

question 2

Multiple Choice

Write the following as an algebraic expression in u, u > 0.
- $\tan \left( \cos ^ { - 1 } \frac { \mathrm { u } } { 3 } \right)$

• A) \(\frac { u \sqrt { 9 - u ^ { 2 } } } { 9 - u ^ { 2 } }\)
• B) \(\frac { \sqrt { u ^ { 2 } - 9 } } { u }\)
• C) \(\frac { \sqrt { 9 - u ^ { 2 } } } { u }\)
• D) \(\mathrm { u } ^ { 2 } \sqrt { 9 }\)

---

Definitions:

Variable Overhead

Variable overhead refers to costs that change in proportion to the production activity or business operations levels, such as utilities or materials.

Direct Materials

Ingredients that are identifiable in the production process of a product and serve as fundamental elements of the end product.

Direct Labor-Hours

The overall hours dedicated by workers who are directly contributing to the production line.

Variable Overhead

Costs that vary with the level of production output, such as utilities for manufacturing equipment, which are not fixed.