Solve the Inequality $| 9 - x | \leq 4$ A) $( - \infty , 5 ] \cup [ 13 , \infty )$

question 182

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $| 9 - x | \leq 4$

• A) \(( - \infty , 5 ] \cup [ 13 , \infty )\)
• B) \([ 5 , \infty )\)
• C) \([ 5,13 ]\)
• D) \([ 13 , \infty )\)

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Definitions:

Marginal Cost

The additional expenditure involved in making one more unit of a product or service.

Retail Price

The total cost at which a product or service is sold to the end consumer, including any markups by retailers.

Price Elasticities

Measures the responsiveness of demand or supply of goods and services to changes in their prices.

Marginal Cost

The expenditure required to create one more unit of a product or service.