Use Descartes' Rule of Signs to Determine the Possible Number $f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4$

question 135

Multiple Choice

Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the polynomial
function.
- $f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4$

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

---

Definitions:

U.S. Tax Law

The body of laws and regulations governing the collection and administration of taxes in the United States.

Undistributed Earnings

Refers to the portion of a company's net profits that has not been paid out to shareholders as dividends but is retained for reinvestment in the business or to pay off debt.

Tax Rate

The percentage at which an individual or corporation is taxed by the government on income or profits.