Determine the Intervals on Which the Function Is Increasing, Decreasing

question 42

Short Answer

Determine the intervals on which the function is increasing, decreasing, and constant.
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A) Increasing on (-2,0) and (3,4) ; Decreasing on (-5,-2) and (1,3)
B) Increasing on (-2,0) and (3,5) ; Decreasing on (1,3) ; Constant on (-5,-2)
C) Increasing on (-1,0) and (3,5) ; Decreasing on (0,3) ; Constant on (-5,-3)
D) Increasing on (1,3) ; Decreasing on (-2,0) and (3,5) ; Constant on (2,5)

• A) Increasing on (-2,0) and (3,4) ; Decreasing on (-5,-2) and (1,3)
• B) Increasing on (-2,0) and (3,5) ; Decreasing on (1,3) ; Constant on (-5,-2)
• C) Increasing on (-1,0) and (3,5) ; Decreasing on (0,3) ; Constant on (-5,-3)
• D) Increasing on (1,3) ; Decreasing on (-2,0) and (3,5) ; Constant on (2,5)

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Definitions:

Labor Efficiency Variance

The difference between the actual hours worked and the standard hours expected to complete a task, multiplied by the standard labor rate.

Actual Results

The real, measured outcomes of business activities, such as sales or production levels, compared to planned or forecasted results.

Standard Cost

A predetermined cost of manufacturing, selling, or any other business activity, used as a benchmark for measuring performance.

Labor Rate Variance

The difference between the actual labor cost incurred and the labor cost that was expected or budgeted, typically due to wage rate differences.