Increasing and Decreasing Intervals (Quick and Easy!)
Increasing and decreasing Intervals on a graph refer to pieces of the graph that are moving up, down, or staying flat as the graph is read from left to right. As the value of x increases, increasing intervals occur when the values of y are also increasing. Decreasing intervals occur when the values of y are decreasing. Constant intervals occur when the y-values stay the same as x-values increase.
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Video highlights:
00:00 Introduction
00:15 Explanation of intervals
00:32 Example graph with increasing, decreasing, and constant intervals
01:49 Example of identifying intervals on a graph and writing in interval notation
05:12 Conclusion