Determine where the function is concave downward. 
Definitions:
Situational Factors
External conditions or circumstances that influence individuals' behavior, decisions, and performance in various settings.
Situational Factors
External influences that affect an individual's behavior or performance, varying according to the context or environment.
Person-Job Matching
The process of aligning the skills, experiences, and attributes of individuals with the requirements and characteristics of a job to ensure optimal performance and job satisfaction.
Competencies
The skills, knowledge, and abilities that are significant for successful performance in a job.
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