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Lösung 1.1:1b

Aus Online Mathematik Brückenkurs 2

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

1.1 - Figure - Solution - The graph of f(x) in exercise 1.1:1 with horizontal tangents
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.

Von „http://wiki.math.se/wikis/2009/bridgecourse2-TU-Berlin/index.php/L%C3%B6sung_1.1:1b“