Which of These Functions Is One-To-One?
A) $f(x)=2 x^{3}-3 x$ B) F(x)=6x +14
C)

question 49

Multiple Choice

Which of these functions is one-to-one?

• A) \(f(x)=2 x^{3}-3 x\)
• B) f(x)=6x +14
• C) \(f(x)=\sqrt{x^{2}-3 x-2}\)
• D) \(f(x)=5 x^{2}-x+3\)
• E) \(f(x)=\frac{x^{2}+7}{x-1}\)

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Definitions:

Empirical

Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.

Theoretical

Pertaining to a system of ideas intended to explain phenomena, often abstract and not immediately practical.

Black Sheep Effect

The tendency for groups to judge deviant in-group members more harshly than comparable out-group members, often leading to greater punishment or exclusion of the deviant in-group member.

Outgroup Attribution

The tendency to attribute the behavior and outcomes of individuals who are not members of one's own group to their inherent characteristics, rather than to situational factors.