Give the Maximum Number of Zeros the Polynomial Function May $f ( x ) = - 2 x ^ { 5 } + x ^ { 3 } - x ^ { 2 } + 3$

question 282

Multiple Choice

Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how
many positive and how many negative zeros it may have.
- $f ( x ) = - 2 x ^ { 5 } + x ^ { 3 } - x ^ { 2 } + 3$

• A) 5; 3 or 1 positive zeros; 2 or 0 negative zeros
• B) 5; 2 or 0 positive zeros; 2 or 0 negative zeros
• C) 5; 3 or 1 positive zeros; 3 or 1 negative zeros
• D) 5; 2 or 0 positive zeros; 3 or 1 negative zeros

Understand dendrochronology and its significance in studying past climatic conditions.

Describe the mechanisms of transpiration and its importance in plants.

Understand the differences between hardwood and softwood, including their composition and applications.

Understand the key characteristics and marketing strategies associated with each stage of the product life cycle.

---

Definitions:

Microglia

A type of glial cell located throughout the brain and spinal cord, acting as the primary form of active immune defense in the central nervous system.

CNS

Central Nervous System, which comprises the brain and spinal cord, responsible for processing information and controlling the majority of functions of the body and mind.

Myelin Sheath

The myelin sheath is a protective covering made of fatty substances that surrounds nerve fibers, enhancing the speed and efficiency of electrical signal transmission along the nerve cells.

Action Potential

A rapid rise and subsequent fall in voltage or electrical charge across a cellular membrane, the basis for neural communication and muscle contraction.