Profit vs. Contracts Sold: How Quadratics are Used in Business 

✔ StudyForce.com
✔ Biology-Forums...
✔ Ask questions here: Biology-Forums...
Q. The profit of an advertising company is represented by the equation P=−2x^2+220x−2000 where P is the profit in thousands and x is the number of advertising contracts sold.
Determine the number of contracts that must be sold in order to result in a profit of $0.