If , , and for and

question 47

Essay

If , , and for and , show that the point (x, y, z) lies on the upper half of the cone . Show all your work.

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Definitions:

Three Checks

A safety protocol often used in healthcare or other disciplines, involving three steps of verification to ensure accuracy and safety, typically before medication administration or similar procedures.

Cassette

Traditionally, a container housing magnetic tape for audio recordings; in medical imaging, it refers to holders for X-ray films.

Work Week

A fixed, regular schedule during which an individual is employed to work, typically consisting of 40 hours spread across five days in many countries.

Expenses

Expenses refer to the outflows or consumption of assets or incurrence of liabilities during an accounting period, stemming from activities that drive revenue.