Examlex
Find the vertex, focus, and directrix of the parabola. Graph the equation.
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Trade
The exchange of goods and services between individuals or entities, often in different countries or economies.
Production Possibilities
The various combinations of goods and services an economy can produce given its available resources and technology.
Opportunity Cost
The price paid for not selecting the second-best choice when deciding between options.
Rancher
An individual who owns or manages a large farm, especially one used for raising cattle, sheep, or other livestock.
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