State Whether the Function Is a Polynomial Function or Not $f ( x ) = \sqrt { x } ( \sqrt { x } - 5 )$

question 311

Multiple Choice

State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
- $f ( x ) = \sqrt { x } ( \sqrt { x } - 5 )$

• A) Yes; degree 1
• B) No; it is a product
• C) No; x is raised to non-integer power
• D) Yes; degree 2

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Definitions:

Allowances

Considerations for factors, such as time or money, that are set aside as safe margins to prevent overestimation in budgets or schedules.

Work Sampling

A technique for estimating the proportion of time spent on various tasks within a job, based on random samples of worker activities.

Task Times

The duration required to complete specific tasks or operations, often analyzed for process improvement and labor planning.

Time-study Methods

Techniques used to determine the time required for a worker to perform each task of a job, aiming at increasing efficiency.