The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question. 
-Does the graph represent a function?
Definitions:
Economic Profits
The discrepancy between what a business earns in total revenue versus the sum of its explicit and implicit expenditures.
Monopolistically Competitive
A market structure where many companies sell products that are similar but not identical, leading to competition.
Profit-Maximizing
A strategy where a firm sets its production level to achieve the highest possible profit, where marginal cost equals marginal revenue.
Profit-Maximizing Monopolistically Competitive
A situation where a firm in a monopolistically competitive market sets its product prices and output levels to maximize its profits, recognizing it has some degree of market power.
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