Use Algebraic And/or Graphical Methods to Solve the Inequality $$( x + 1 ) ( x - 3 ) ( x - 8 ) > 0$$

question 145

Multiple Choice

Use algebraic and/or graphical methods to solve the inequality.
- $$( x + 1 ) ( x - 3 ) ( x - 8 ) > 0$$

• A) \(x < - 1\) or \(3 < x < 8\)
• B) \(x > 8\)
• C) \(- 1 < x < 3\) or \(x > 8\)
• D) \(x < 3\)

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Definitions:

Contribution Margin Per Unit

The selling price per unit minus the variable cost per unit, representing the portion of sales revenue that is not consumed by variable costs and contributes to covering fixed costs.

Unit Selling Price

The price at which one unit of a product or service is sold to the customer.

Variable Cost

A variable cost changes in proportion to the level of output or activity, in contrast to a fixed cost which remains constant regardless of activity.

High-Low Method

The high-low method is a statistical technique used in cost accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.