Use the Horizontal Line Test to Determine If the Function $f ( x ) = 5 \sqrt { - x }$

question 111

Multiple Choice

Use the horizontal Line Test to determine if the function is one-to-one and so has an inverse function.

$f ( x ) = 5 \sqrt { - x }$

• A)f is one-to-one
• B)f is not one-to-one
• C)cannot be determined

---

Definitions:

Linear Programming

A mathematical modeling technique used to achieve the best outcome in a given mathematical model for some list of requirements represented as linear relationships.

Decision Variables

Choices available to a decision maker.

Linear Programming

A mathematical technique used for optimization of resources, which involves linear equations to represent constraints and an objective function to maximize or minimize.

Objective Function

A mathematical function used in optimization to represent the goal that needs to be achieved, often minimizing or maximizing some quantity.