Determine the Number of Possible Positive and Negative Real Zeros $p ( x ) = x ^ { 5 } - 4 x ^ { 4 } - 13 x ^ { 3 } + 70 x ^ { 2 } - 90 x + 36$

question 4

Essay

Determine the number of possible positive and negative real zeros using Descartes' Rule of Signs. $p ( x ) = x ^ { 5 } - 4 x ^ { 4 } - 13 x ^ { 3 } + 70 x ^ { 2 } - 90 x + 36$

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Definitions:

Break-even

A position where overall costs and revenues balance out, culminating in zero net profit or loss.

Monthly Unit Sales

The total number of units of product sold in a month, often used to monitor sales trends and performance.

Break-even Point

The point at which total costs and total revenue are equal, resulting in no net profit or loss for the business.

Dollars

A unit of currency used in various countries, including the United States, Australia, and Canada.