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Lösung 1.1:1b

Version vom 13:35, 10. Mär. 2009 von Tekbot (Diskussion | Beiträge)

At those points where the graph of the function has a horizontal tangent (gradient equal to zero), the derivative is zero.

[Image]

The graph of f(x) has horizontal tangents
at x = -3 and x = 2

In the figure, we see that this happens when x=−3 and x=2.