Identify Which of the Twelve Basic Functions Listed Below Fit $y = x ^ { 2 } , y = \cos x , y = | x |$

question 181

Multiple Choice

Identify which of the twelve basic functions listed below fit the description given.
-The three functions that are even

• A) \(y = x ^ { 2 } , y = \cos x , y = | x |\)
• B) \(y = x , y = x ^ { 2 } , y = x ^ { 3 }\)
• C) \(y = x , y = \frac { 1 } { x } , y = x ^ { 3 }\)
• D) \(y = \cos x , y = \sin x , y = | x |\)

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Definitions:

Standard Hourly Rate

A predetermined amount paid or charged per hour, often used to calculate labor costs in manufacturing or services.

Labor Efficiency Variance

The difference between the actual hours taken to complete a task and the standard hours allowed for the actual output, multiplied by the standard hourly labor rate.

Labor Time

The duration of time workers spend in the process of producing goods or providing services.

Standard Quantity

The expected quantity of materials or labor hours needed to produce a unit of product, set during the budgeting or planning process.