Find the Equation of Variation If the Following Is True $y = - 2 z$

question 86

Multiple Choice

Find the equation of variation if the following is true.
-Suppose that y varies directly as z and y = 40 when z = 240.

• A) \(y = - 2 z\)
• B) \(y = 6 z\)
• C) \(y = - \frac { 1 } { 2 } z\)
• D) \(y = \frac { 1 } { 6 } z\)

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Definitions:

Economic Profit

The difference between total revenues and total costs, including both explicit and implicit costs, representing the surplus generated from economic activities.

Technological Change

A change in the methods, equipment, and software used by a society, improving efficiency, productivity, and quality of life.

Marginal Cost

The additional cost incurred by producing one more unit of a good or service; essential for making efficient production and pricing decisions.

Output

The amount of goods or services produced by a business, industry, or country.