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Target: increasing, decreasing or constant intervals of Functions for Key Features of Functions
This lesson starts with a picture warm up to get students thinking about direction. Increasing, Decreasing and Constant sections of the graph are introduced, a review of interval notation and guided practice of writing intervals for the function. A cut and paste activity allows more practice in addition to the practice worksheets at the end of the lesson.
Students should be familiar with the coordinate plane and inequalities graphed on the number line.
Colored Pencils or highlighters