1
Y = f1+f2+f3+f4. x . , , , D . a, b, g .
| N | f1 | f3 |
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| N | f2 | f4 |
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2
X dx. f1, f2, f3, f4 1.
| N | _1 | _2 | _ 3 | _4 |
| 0 | x > 0 | -3 £ x £ 0 | x < -3 | |
| 1 | x > 2 | -1 £ x £ 2 | x < -1 | |
| 2 | x < -2 | -2 £ x £ 3 | > 4 | 3 < < 4 |
| 3 | -4 £ x £ -2 | x > 4 | 2 £ x £ 4 | -2 < x < 2 |
| 4 | x < 0 | x > 4 | 0 £ x £ 3 | |
| 5 | x > 4 | 0 £ x < 1 | 1 £ x £ 4 | |
| 6 | x < 2 | -2 £ x £ 2 | x > 2 | |
| 7 | x < 0 | x > 5 | 0 £ x £ 5 | |
| 8 | 0 £ x £ 3 | x < 0 | x > 3 | |
| 9 | x > 4 | 0 £ x £ 4 | x < 0 |
|
| N | dx | ||
| 0 | -5 | 5 | 0,5 |
| 1 | -2 | 6 | 0,4 |
| 2 | -4 | 10 | 1 |
| 3 | -8 | 8 | 0,4 |
| 4 | -3 | 6 | 0,3 |
| 5 | 0 | 7 | 0,35 |
| 6 | -5 | 5 | 0,5 |
| 7 | -3 | 9 | 0,6 |
| 8 | -2 | 12 | 0,25 |
| 9 | -1 | 4 | 0,25 |
3
| 0 | , (-6;6), () |
| 1 | , 10, 20 |
| 2 | , [1;7], -2 |
| 3 | , 2, () |
| 4 | (), 3 |
| 5 | , 4,5, 1 |
| 6 | , (5;15) |
| 7 | |
| 8 | , -2 |
| 9 | , 3 |
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| 0 | |
| 1 | , 4, |
| 2 | |
| 3 | |
| 4 | , , 4, |
| 5 | |
| 6 | , , |
| 7 | , 7, |
| 8 | |
| 9 | , , 3, |
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