Use Descartes' Rule of Signs to Determine the Possible Number $f ( x ) = x ^ { 5 } + x ^ { 4 } + x ^ { 2 } + x + 7$

question 130

Multiple Choice

Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the polynomial
function.
- $f ( x ) = x ^ { 5 } + x ^ { 4 } + x ^ { 2 } + x + 7$

• A)0 positive zeros, 1 negative zero
• B)0 positive zeros, 0 negative zeros
• C)0 positive zeros, 2 or 0 negative zeros
• D)0 positive zeros, 3 or 1 negative zeros

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Definitions:

Government Price Floor

A minimum price set by the government for certain goods, ensuring producers receive a minimum return regardless of market forces.

Market For Butter

The supply and demand dynamics concerning the sale and purchase of butter.

Surplus

A situation in which the quantity of a good or service supplied exceeds the quantity demanded at the current price.

Binding Price Floor

A minimum price set by the government that is above the equilibrium price, causing a surplus of the good.