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GeoGebraGeoGebra Classroom

Linear Function

(Graph) Sketch a picture of the graph if a is positive and also when a is negative. (Direction) If a > 0 what happens to the direction of the graph? What happens when a < 0 (End Behavior) As x increases without bound, what happens to f(x) when a > 0? What happens to f(x) when a < 0? (Additional Features) Which value of the function represents the y-intercept? Which value represents the slope (or rate of change)?