Use the Vertical Line Test to Determine in Which of the Graphs

question 9

Multiple Choice

Use the Vertical Line Test to determine in which of the graphs y is not a function of x. ?

• A)All of the choices (A,B,C,and
• D)represent functions.
• B)?x² + y² = 16 ? ?
• C)? \[y = x ^ { 2 } + 2 x - 3\] ?
• D)? \[y = x ^ { 3 } - 2\] ?
• E)? \[y = \frac { 1 } { x }\] ?

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Definitions:

Return On Investment (ROI)

A financial metric used to evaluate the efficiency of an investment, calculated by dividing the benefit (return) of an investment by its cost.

Invested Capital

The total amount of money that has been invested into a company by its shareholders and debt holders.

Profit

The financial gain made in a transaction or operation, calculated as total revenue minus total costs.

Revenues

The income generated from normal business operations and includes discounts and deductions for returned merchandise.