Use the definition of partial derivatives as limits to find 
if 
.
Definitions:
Emotional Intelligence
The proficiency in detecting, managing, and expressing one's emotions and engaging in interpersonal connections with wisdom and empathy.
Cognitive Dissonance
A psychological state in which an individual experiences discomfort due to holding two or more contradictory beliefs, ideas, or values at the same time.
Speed Limit
The maximum or minimum legal speed at which vehicles can travel on a road, indicating safety measures and regulatory compliance.
Job Satisfaction
The feeling of contentment or pleasure derived from one's occupation, influenced by factors like work environment, pay, and work-life balance.
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