Find the Sum or Difference $3 \mathrm { i } + ( - 9 - \mathrm { i } )$

question 393

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $3 \mathrm { i } + ( - 9 - \mathrm { i } )$

• A) \(9 - 2 i\)
• B) \(9 - 4 \mathrm { i }\)
• C) \(- 9 + 4 \mathrm { i }\)
• D) \(- 9 + 2 \mathrm { i }\)

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Definitions:

Performance Management

A process of defining, measuring, appraising, providing feedback on, and improving performance.

Appraising

The act of evaluating the performance, value, or quality of an employee, object, or situation.

Measuring

The process of determining the size, quantity, or degree of something using standard units or tools.

Goal-orientation Theory

A framework that describes how individuals’ goals and their views on those goals can influence their motivation and behavior.