Describe the Trace of the Surface Given by the Function

question 112

Multiple Choice

Describe the trace of the surface given by the function below in the xy-plane. ​ x² + y² + z² = 1
​

• A) parabola
• B) ellipse (not circle)
• C) circle
• D) hyperbola
• E) line

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Definitions:

Long Run

A period of time in economics during which all factors of production and costs are variable, allowing for full adjustment to change.

Profit-Maximizing

The approach taken by a corporation to find the pricing and production levels that lead to the greatest earnings.

Loss-Minimizing

A strategy or condition in which a firm seeks to minimize its losses by operating at a production level where marginal cost equals marginal revenue.

Total Revenue

The total amount of money received by a company for goods sold or services provided during a certain period.