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Konkrete funktioner

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y<br />

10<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

0 1 2 3 4 5<br />

x<br />

6 7 8 9 10<br />

Figur 1: Nogle potens<strong>funktioner</strong>. I rækkefølge fra hurtigst til langsomst voksende:<br />

x3 ,x2 ,x1 = x, x 1<br />

2 = √ x, x 1<br />

3 = 3√ x. Den aftagende funktion (med<br />

punkteret linie) er x−1 = 1<br />

x .<br />

6

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