Given $x ^ { 2 } + y ^ { 2 } = 4$

question 44

Multiple Choice

Given $x ^ { 2 } + y ^ { 2 } = 4$ , use the algebraic tests to determine symmetry with respect to both axes and the origin.

• A)y-axis symmetry only
• B)x-axis symmetry only
• C)origin symmetry only
• D)x-axis, y-axis, and origin symmetry
• E)no symmetry

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Definitions:

Perfectly Competitive

A market structure characterized by a large number of small firms, identical products, and free entry and exit which leads to firms earning normal profits in the long run.

Monopolist

A single seller in a market, who has significant control over the price and supply of a product.

Price Per Unit

The cost assigned to a single unit of a good or service.

Marginal Revenue

The profit derived from the sale of an additional item of a product or service.