Find an Equation of Variation for the Given Situation $y = 14.6 \times z ^ { 2 }$

question 14

Multiple Choice

Find an equation of variation for the given situation.
- y varies jointly as x and the square of z , and y=209.9072 when x=0.8 and z=4.6

• A) \(y = 14.6 \times z ^ { 2 }\)
• B) \(y = 9.92 x ^ { 2 } z ^ { 2 }\)
• C) \(y = 12.4 x z ^ { 2 }\)
• D) \(y = 12.9 x \sqrt { z }\)

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Definitions:

Marginal Costs

The hike in total expenditure resulting from the production of an incremental unit of a product or service.

Marginal Benefits

The incremental enjoyment or usefulness received from consuming or manufacturing another unit of a commodity or service.

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