The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct. 
Definitions:
Economically Rational
Behavior or decision-making that is based on attempting to achieve the maximum possible benefit while minimizing costs.
Satisfaction
The feeling of pleasure or fulfillment that comes from meeting one's needs, expectations, or goals, often used in the context of customer and employee experiences.
Magazines
Magazines are periodical publications containing articles, stories, and photographs on various subjects, ranging from news, hobbies, to lifestyle topics.
Economic Model
A simplified abstract representation of the complex realities of economic processes, used to predict or analyze economic behaviors and outcomes.
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