What Are the Critical Numbers for Each Inequality?
A x

question 74

Essay

What are the critical numbers for each inequality?
a. $x ^ { 2 } - 4 x - 21 \geq 0$ __________ b. $\frac { x - 3 } { x ( x + 3 ) } > 0$ __________

---

Definitions:

Annual Profit

The total revenue of a business minus total expenses over the course of a year, indicating the financial performance and health of the business.

Demand Patterns

Observable trends or behaviors in customer demand over time, influencing inventory management and production planning.

Payoff Table

A decision-making tool used in business and economics to display the outcomes (or payoffs) of different strategies or decisions under various states of nature.

Expected Value Criterion

Represents a decision-making approach that utilizes the weighted average of all possible outcomes, considering the probabilities of each outcome to assess the best decision under uncertainty.