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

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

---

Definitions:

Impaired Concentration

The diminished ability to focus attention or maintain thought cohesion over time, which can impact daily functioning.

Dissociative Fugue

A rare psychiatric disorder characterized by reversible amnesia for personal identity, including memories, personality, and other identifying characteristics of individuality.

Fuzzy Dream

A dream that is not clearly remembered or is vague in detail.

Depersonalization Disorder

A disorder marked by periods of feeling disconnected or detached from one's body and thoughts (depersonalization).