Does the Graph Represent a Linear Function?

The video tutorial reviews how to identify a linear function by analyzing graphs. It begins with a question about which graph represents a linear function, followed by a prompt to pause and reflect. The definition of a linear function is provided, emphasizing that it is a non-vertical line. The video then analyzes different graphs, concluding that a horizontal line is the correct representation of a linear function. The tutorial ends with a recap of the key points and a reminder of the definition.

What is the significance of a horizontal line in the context of linear functions?

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Summarize the key points learned about identifying linear functions.

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