Let $f ( x ) = \frac { x ^ { 3 } + 5 x ^ { 2 } - 20 } { x }$

question 160

Essay

Let $f ( x ) = \frac { x ^ { 3 } + 5 x ^ { 2 } - 20 } { x }$ . For what values of x is $f ( x ) = 4$ .

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Definitions:

Sacral Plexus

A network of nerves arising from the lower back which supplies nerves to the pelvis, buttocks, genitals, thighs, calves, and feet.

Lumbar

Referring to the lower segment of the spine, comprising five vertebrae, key in supporting body weight and flexibility.

Brachial

Pertaining to the arm, specifically the area from the shoulder to the elbow.

Lumbosacral Plexus

A complex network of nerves located in the lower back, providing motor and sensory function to the pelvic area, buttocks, and legs.