Find the Domain and Range of the Inverse of the Given

question 240

Multiple Choice

Find the domain and range of the inverse of the given function.
- $$f ( x ) = - \frac { 1 } { x }$$

• A) Domain and range: \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• B) Domain and range; all real numbers
• C) Domain: all real numbers; range: \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• D) Domain: \(( - \infty , 0 ) \cup ( 0 , \infty )\); range: all real numbers

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Definitions:

Labor Rate Variance

The difference between the actual labor rate paid and the standard rate expected, multiplied by the total hours worked.

Labor Efficiency Variance

The variance between the real hours spent producing a good or service and the anticipated standard hours, times the standard wage rate.

Variable Overhead Rate Variance

The difference between the actual variable overhead costs incurred and the standard variable overhead expected for the actual production achieved.

Variable Overhead Efficiency Variance

A measure used in cost accounting to evaluate the efficiency of variable production costs, comparing the actual hours worked to the standard hours expected.