Use the graph of the function f to find 
and 
if the limit exists. If it does not, answer none. 
__________ 
__________ 
__________
Definitions:
Profit-Maximizing Output
The point of production where a company reaches its maximum possible profit.
Antimacassars
Protective coverings placed over the backs or arms of chairs and sofas to prevent soiling or wear, originally designed to protect furniture from the macassar oil used in men's hair grooming in the 19th century.
Labor Supply Curve
A graphic representation showing the relationship between the wage rate and the quantity of labor that workers are willing to supply.
Marginal Cost
The extra cost incurred by producing one more unit of a product or service; important in determining the optimal production level.
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