Find the Average Rate of Change Illustrated in the Graph $f ( x ) = 1.8 x + 22$

question 287

Multiple Choice

Find the average rate of change illustrated in the graph.
-The linear function $f ( x ) = 1.8 x + 22$ models the percentage of people, $f ( x )$ , who graduated from college $x$ years after 1998. Find and interpret the slope.

• A) \(\mathrm { m } = 1.8\); the percentage of people graduating from college has decreased at a rate of \(1.8 \%\) per year since 1998 .
• B) \(\mathrm { m } = 22\); the percentage of people graduating from college has increased at a rate of \(22 \%\) per year since 1998 .
• C) \(\mathrm { m } = 1.8\); the percentage of people graduating from college has increased at a rate of \(1.8 \%\) per year since 1998 .
• D) \(m = - 1.8\); the percentage of people graduating from college has decreased at a rate of \(1.8 \%\) per year since 1998 .

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Definitions:

Position Analysis Questionnaire (PAQ)

A standardized job analysis questionnaire containing 194 questions about work behaviors, work conditions, and job characteristics that apply to a wide variety of jobs.

Job Incumbents

Individuals currently holding a particular job position, responsible for fulfilling the duties and responsibilities of that role.

Structured Environment

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The degree to which a job provides an employee with the discretion and independence to schedule their work and determine how it is done.