Determine Whether the Equation Defines Y as a Function of X

question 151

Multiple Choice

Determine whether the equation defines y as a function of x.
- $$- 4 x + x ^ { 2 } - 58 = y$$

• A) function
• B) not a function

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Definitions:

Arbitrage

The practice of taking advantage of a price difference between two or more markets, striking a combination of matching deals that capitalize upon the imbalance.

Forward Rates

Interest rates or currency exchange rates fixed now for transactions that will occur at a future date.

Future Short Rates

Predicted interest rates for short-term debt securities in the future, based on current market conditions and monetary policy expectations.

Yield to Maturity

The total return anticipated on a bond if held until it matures, considering all interest payments and the repayment of principal.