Identify Which of the Twelve Basic Functions Listed Below Fit $( 0 , \infty )$

question 5

Multiple Choice

Identify which of the twelve basic functions listed below fit the description given.
-The one function that is decreasing from $( 0 , \infty )$

• A) \(y = \frac { 1 } { x }\)
• B) \(y = | x |\)
• C) \(y = \ln x\)
• D) \(y = \frac { 1 } { 1 + e ^ { - x } }\)

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Definitions:

Period Costs

Expenses that are not directly tied to the production process and are expensed in the period they are incurred.

Variable Cost

Expenses that change in proportion to the activity of a business such as costs of goods sold, raw materials, and labor expenses.

Fixed Manufacturing Cost

Costs that remain constant regardless of the level of production, such as rent, salaries, and maintenance expenses.

Manufacturing Overhead

All indirect costs associated with the manufacturing process, including depreciation, utilities, and salaries for supervisors.