Solve the Problem $\mathrm { a } < \mathrm { x } \leq \mathrm { b }$

question 109

Short Answer

Solve the problem.

-The three-part inequality $\mathrm { a } < \mathrm { x } \leq \mathrm { b }$ means " $\mathrm { a }$ is less than $\mathrm { x }$ and $\mathrm { x }$ is less than or equal to $\mathrm { b }$ ". Which of these inequalities has no solution?
(a) $- 5 < x \leq - 11$
(b) $- 8 < x \leq - 7$
(c) $0 < x \leq 4$
(d) $- 2 < x \leq 6$

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Definitions:

Selling Price

The price at which a product or service is offered to customers.

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, indicating the portion of sales available to cover fixed costs and generate profit.

Fixed Costs

Expenses that do not fluctuate with changes in production level or sales volume, such as lease payments, salaries, and insurance.

Operating Leverage

A financial concept that measures the extent to which a firm can increase operating income by increasing revenue, highlighting the impact of fixed versus variable costs.