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1. Tal og Bogstavregning: - Horsens HF og VUC

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J.J. Holmen: FACITLISTE TIL ØVELSER I MAT C-BOGEN Side 19 af 32<br />

Øvelse 6.28: 1) <strong>og</strong> 2)<br />

x min. y km<br />

0,00 0<br />

14,00 22,7<br />

46,00 83,2<br />

67,00 108,9<br />

105,00 169,1<br />

120,00 197,8<br />

134,00 221,1<br />

158,00 265,5<br />

175,00 298,1<br />

196,00 329,4<br />

3) a) 50,4 km; 100,7 km; b) 16;2 km <strong>og</strong> 44 km; c) 36 min. d) 14:30;<br />

e) 100,7 km/t.<br />

Øvelse 6.30:<br />

1) 12 500 kr.; 15 000 kr.; 20 000 kr.;<br />

2) 8 750 kr.; 17 500 kr.; 26 250 kr.;<br />

3)<br />

⎧0,05x<br />

+ 10000 for 0 ≤ x ≤100000<br />

y = ⎨<br />

⎩0,10x<br />

+ 5000 for x > 100000<br />

4) y = 0,175x<br />

;<br />

6) 80 000 kr.<br />

;<br />

5)<br />

løn i 1000<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

A<br />

5<br />

0<br />

B<br />

0 20 40 60 80 10<br />

0<br />

12<br />

0<br />

14<br />

0<br />

16<br />

0<br />

18<br />

0<br />

20<br />

0<br />

x salg i 1000

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