The function 
has a local minimum at (1, 2.5) . Which of the following is a sketch of the level curves of f near this point?
Definitions:
Cartel
An association of independent companies or organizations formed to control production, pricing, and marketing of goods to suppress competition.
Perfectly Competitive
A market structure where there are many buyers and sellers, goods are homogeneous, and there is free entry and exit in the market.
Marginal Cost
The boost in overall cost that comes from generating one extra unit of a product or service.
Quantity Effect
The change in quantity demanded or supplied of a product as a result of changes in its price.
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