Determine Whether the Equation Defines Y as a Function of X

question 65

Multiple Choice

Determine whether the equation defines y as a function of x.
- $y=7 x^{2}-2 x+8$

• A) function
• B) not a function

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Definitions:

Unfavorable Volume Variance

A cost variance that occurs when the actual volume of production or sales negatively deviates from expected volumes, often leading to higher costs or lower profits.

Failure To Maintain

A situation where the required level of upkeep, documentation, or regulatory compliance has not been sustained.

Machine Breakdowns

Occurrences when machinery fails or malfunctions, potentially halting production processes and incurring additional costs for repairs.

Sales Orders

Official written documents received by a company from a customer, indicating the type, quantity, and agreed prices for products or services.