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

Recognize the importance of legally defensible performance evaluation practices.

Identify different sources and types of performance appraisals, including 360-degree feedback and upward appraisals.

Grasp the concept and examples of organizational citizenship behaviors.

Understand the importance and methods of creating performance measurements and the potential biases associated with them.

---

Definitions:

Frequency Polygon

A graphic display of a frequency distribution in which the frequency of each score is plotted on the vertical axis, with the plotted points connected by straight lines.

Line Graph

A graphical representation of data where individual data points are connected by straight lines to show trends over time or categories.

Variable

An element, feature, or factor that is liable to vary or change; essential for research to assess its effects in an experiment.

Interval Scale

A type of measurement scale that allows for the quantification and comparison of the magnitude of differences between items, but does not have a true zero point.