Multiply, and Then Simplify If Possible $( \sqrt { z } - y ) ( \sqrt { z } + y )$

question 203

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $( \sqrt { z } - y ) ( \sqrt { z } + y )$

• A) \(z - y\)
• B) \(z - 2 y \sqrt { z } - y ^ { 2 }\)
• C) \(z + 2 y \sqrt { z } - y ^ { 2 }\)
• D) \(z - y ^ { 2 }\)

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Definitions:

Job Enlargement

An approach to increase the number and variety of tasks that an employee performs to enhance job satisfaction.

Specialized Jobs

Positions that require a specific set of skills or knowledge in a particular area or field.

Job Rotation

A human resources strategy where employees are systematically moved between different jobs or tasks to gain experience and skills.

Work Simplification

The process of increasing efficiency by reducing the complexity of tasks and processes, often involving the elimination of unnecessary steps.