Thirty employed single individuals were randomly selected to examine the relationship between their age (Age)and their credit card debt (Debt)expressed as a percentage of their annual income.Three polynomial models were applied and the following table summarizes Excel's regression results. 
Suppose the restriction β3 = 0 is imposed on the cubic regression model Debt = β0+ β1Age + β2Age2+ β3Age3+ ε.What regression equation is obtained under this restriction?
Definitions:
Construct System
A cognitive structure used by a person to categorize and interpret experiences, often influencing their perception and behavior.
Psychological Health
An individual's overall state of mental, emotional, and psychological well-being.
Romantic Relationship
A type of interpersonal relationship that involves emotional and/or physical intimacy, typically characterized by love, commitment, and attraction.
Theory Construction
The process of systematically developing and organizing ideas to explain a phenomenon.
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