Determine Whether the Formula Determines Y as a Function of X

question 289

True/False

Determine whether the formula determines y as a function of x.
- $$y = - 7 x ^ { 2 } - 3 x - 7$$

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Definitions:

Ad Valorem Tariff

A tax imposed on imported goods, calculated as a percentage of the value of the imports rather than a fixed rate.

World Price

The global market cost for a product or service, set by the overall demand and supply dynamics.

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Spherical balls used in the sport of baseball, typically constructed from cork, rubber, yarn, and leather.

Net Welfare Loss

The decrease in total societal wellbeing and efficiency due to factors such as market failure or government intervention.