Tonya wants to place an advertisement in a local newspaper to sell her car.This piecewise function shows in the cost of the advertisement given that x equals the number of lines. 
If the advertisement she wants to place will be 7 lines,how much will the paper charge her?
Definitions:
Nash Equilibrium
A concept in game theory where no player can benefit by changing strategies while the other players keep theirs unchanged, indicating optimal decision-making among competitors.
Michigan Football
The football team representing the University of Michigan, known for its history and achievements in college football.
Gain Yards
A term often used in American football to describe the act of advancing the ball closer to the opposing team's goal line.
Probability .50
A statistical measure indicating that an event has an equal chance of occurring or not occurring, often represented as a 50% chance.
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