Use Descartes' Rule of Signs to Determine the Possible Number

question 25

Multiple Choice

Use Descartes' Rule of Signs to determine the possible number of positive and negative zeros of .

• A) 3 positive reals or 1 positive real; 3 negative reals or 1 negative real
• B) 3 positive reals or 1 positive real; no negative reals
• C) no positive reals; no negative reals
• D) 3 positive reals or 1 positive real; 1 negative real
• E) 1 positive real; 3 negative reals or 1 negative real

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Definitions:

Thalamus

A brain structure that acts as a relay station for sensory and motor signal inputs to the cerebral cortex, except for the sense of smell.

Limbic System

A complex system of nerves and networks in the brain, involved in emotions such as fear and pleasure, as well as instincts and mood.

Sensory Axons

Nerve fibers that transmit sensory information from the sensory receptors to the spinal cord and brain.

Central Nervous System

The part of the nervous system comprising the brain and spinal cord, responsible for processing and transmitting information.