The Function $f ( x ) = x ^ { 2 } - 5$

question 36

Multiple Choice

The function $f ( x ) = x ^ { 2 } - 5$ is one-to-one on the domain $$( x \leq 0 )$$ .Find $f ^ { - 1 } ( x )$ . ?

• A) \(f ^ { - 1 } ( x ) = x ^ { 2 } + 5\)
• B) \(f ^ { - 1 } ( x ) = \sqrt { x + 5 }\)
• C) \(f ^ { - 1 } ( x ) = - \sqrt { x + 5 }\)
• D) \(f ^ { - 1 } ( x ) = \frac { 1 } { x ^ { 2 } - 5 }\)
• E) \(f ^ { - 1 } ( x ) = \sqrt { x - 5 }\)

---

Definitions:

Advertising Message

The core idea or theme communicated through an advertisement to persuade potential customers.

Consumers

Individuals or groups that purchase goods and services for personal use.

Pulsing

A marketing strategy that combines continuous advertising with periodic heavy promotions to boost sales.

Advertising Schedule

The specification of the timing and duration of advertising.