How to determine when a graph is increasing and decreasing

The video tutorial explains how to determine when a graph is increasing or decreasing by observing the direction of the graph and the points where it changes direction. It highlights the concept of infinity, with negative infinity to the left and positive infinity to the right. The tutorial identifies intervals where the graph is increasing or decreasing, emphasizing the importance of recognizing these changes to understand graph behavior.

Explain the significance of negative and positive infinity in graph behavior.

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What does it mean when a graph is increasing?

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Identify the intervals where the graph is increasing.

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Describe the transition points where the graph changes from increasing to decreasing.

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How can you determine when a graph is decreasing?

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