Solve the Problem $$x ^ { 3 } + 2 x ^ { 2 } - 63 x > 0$$

question 30

Multiple Choice

Solve the problem.
- $$x ^ { 3 } + 2 x ^ { 2 } - 63 x > 0$$

• A) \(( - 9 , \infty )\)
• B) \(( - 9,0 )\) or \(( 7 , \infty )\)
• C) \(( - \infty , - 9 )\) or \(( 0,7 )\)
• D) \(( - 7,0 )\) or \(( 9 , \infty )\)

---

Definitions:

Oculovestibular Response

A neurologic test involving the stimulation of the vestibular system in the inner ear to assess brainstem function.

Doll's Head Maneuver

A neurological test that assesses the reflexive movement of the eyes in response to movement of the head, used to evaluate brainstem function.

Pyramidal Tract Lesions

Damage or injuries to the pyramidal tracts, which are major pathways in the central nervous system that transmit motor signals from the brain to the spinal cord and control voluntary movements.

Computed Tomography

A diagnostic imaging technique that uses a series of computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object, allowing the user to see inside the object without cutting.