How Many Points of Inflection Are on the Graph of the Function

question 89

Multiple Choice

How many points of inflection are on the graph of the function?
$$f ( x ) = 18 x ^ { 3 } + 5 x ^ { 2 } - 12 x - 20$$ Select the correct answer.

• A) 5
• B) 2
• C) 3
• D) 4
• E) 1

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Definitions:

Electroencephalogram

A test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.

Neural Activity

The functioning of neurons, including the transmission of electrical and chemical signals within the brain and nervous system.

Electrodes

Conductive materials or devices used to make electrical contact with a nonmetallic part of a circuit, often used in scientific experiments.

Reticular Activating System

A network of neurons located in the brainstem that plays a crucial role in regulating wakefulness and sleep-wake transitions.