Derivative Applet:

This applet can also be found at GeoGebra Derivative Applet



Point B has coordinates (x,y). What determines those coordinates?

Why is the graph of g(x) a horizontal line when f(x) is a linear function (such as f(x)=3x +2 or -4x-5)?

Could you predict where the graph of g(x) will touch the x-axis by just examining the graph of f(x)?




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