$\text { Find all critical numbers of the function } g ( x ) = x ^ { 4 } - 4 x ^ { 2 } \text {. }$

question 134

Multiple Choice

$\text { Find all critical numbers of the function } g ( x ) = x ^ { 4 } - 4 x ^ { 2 } \text {. }$

• A) critical numbers: \(x = 0 , x = 2 \sqrt { 2 } , x = - 2 \sqrt { 2 }\)
• B) critical numbers: \(x = 0 , x = \sqrt { 2 } , x = - \sqrt { 2 }\)
• C) critical numbers: \(x = 2 \sqrt { 2 } , x = - 2 \sqrt { 2 }\)
• D) critical numbers: \(x = \sqrt { 2 } , x = - \sqrt { 2 }\)
• E) no critical numbers

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Definitions:

Overhead Cost

All ongoing business expenses not directly attributed to creating a product or service, including rent, utilities, and salaries of non-production staff.

Activity Rates

Are used in activity-based costing to allocate costs to products or services based on the activities required for their production or delivery.

Activity-Based Costing

A costing method that assigns overhead and indirect costs to specific activities, improving accuracy in product costing.

Overhead Cost

Expenses related to the day-to-day running of a business that are not directly linked to a specific product or service but are necessary for the business to operate.