Find All Rational Zeros of the Polynomial $p ( x ) = 9 x ^ { 4 } + 30 x ^ { 3 } + 13 x ^ { 2 } - 20 x + 4$

question 112

Essay

Find all rational zeros of the polynomial $p ( x ) = 9 x ^ { 4 } + 30 x ^ { 3 } + 13 x ^ { 2 } - 20 x + 4$ .

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Definitions:

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems involved in muscle activation, memory, and learning.

Neurotransmitter

Chemical with an excitatory or inhibitory effect when released by a neuron onto a target.

Alzheimer Disease

A progressive neurological disorder characterized by memory loss, cognitive decline, and personality changes.

Akathesia

Small, involuntary movements or changes in posture; motor restlessness.