Differentiate $y = x \arctan ( 3 x )$
A) $y ^ { t } = \frac { 3 x } { \left( 1 + ( 3 x ) ^ { 2 } \right) } + \arctan ( 3 x )$

question 25

Multiple Choice

Differentiate $y = x \arctan ( 3 x )$ .

• A) \(y ^ { t } = \frac { 3 x } { \left( 1 + ( 3 x ) ^ { 2 } \right) } + \arctan ( 3 x )\)
• B) \(y ^ { \prime } = \frac { 1 } { 3 + x ^ { 2 } } + 3 \arctan ( 3 x )\)
• C) \(y ^ { \prime } = 3 \arctan ( 3 x )\)
• D) \(y ^ { t } = 1 \cdot \arctan ( 3 x )\)

Understand the concept of applying fixed and variable overhead based on standard activity bases.

Interpret the data to calculate standard hours allowed for production activities.

Understand the effect of actual input prices and quantities on inventory valuation in a standard costing system.

Understand the concept of standard costing and its importance in manufacturing.

---

Definitions:

Used

Being utilized for a purpose or having been employed in the past.

Exploited

Utilized or taken advantage of unfairly for someone else's benefit, often in a way that is unethical or lacks consent.

Unofficial Contributor

Describes someone who contributes to a project, work, or cause without receiving official recognition or status.

Homemaking

The management and maintenance of a household and its daily needs.