Express the Graph Shown Using Interval Notation

question 6

Multiple Choice

Express the graph shown using interval notation. Also express it as an inequality involving x.
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Definitions:

Positive Reinforcement

A technique used in behavioral psychology to increase the likelihood of a desired behavior by following it with the addition of a reinforcing stimulus.

Punishment

A consequence that decreases the likelihood of a behavior being repeated, often used as a form of behavioral control.

Half-hearted Attempts

Efforts or actions carried out with minimal enthusiasm or commitment.

Learned Helplessness

A psychological condition in which a person has learned to believe they are powerless in a particular situation, often as a result of repeated failure or inability to control outcomes.