Determine Whether the Equation Defines Y as a Function of X

question 94

Multiple Choice

Determine whether the equation defines y as a function of x.
- $$y = - \sqrt { x - 9 }$$

• A) \(y\) is a function of \(x\)
• B) \(y\) is not a function of \(x\)

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Definitions:

Tax Rate

The percentage of one's income or the value of a good, service, or asset that is paid as tax to the government.

Market Value

The existing cost at which a service or asset is available for purchase or sale in the market.

Sales Tax

A tax imposed by government on sales of goods and services, typically computed as a percentage of the sale price.

Delivery Charge

A fee charged by a seller to cover the cost of delivering goods to a buyer's location.