1−2x |
3x+2 |
2x−1 |
3x+2 |
2 |
3 |
x−
| ||
x+
|
2 |
3 |
| ||
x+
|
2 |
3 |
| ||
x+
|
∵x∈(−2,−
2 |
3 |
2 |
3 |
∴−
4 |
3 |
2 |
3 |
2 |
3 |
8 |
3 |
∴
| ||
x+
|
7 |
12 |
| ||
x+
|
7 |
24 |
∴f(x)<−
5 |
4 |
3 |
8 |
故答案为:(-∞,−
5 |
4 |
3 |
8 |
1−2x |
3x+2 |
2 |
3 |
2 |
3 |
1−2x |
3x+2 |
2x−1 |
3x+2 |
2 |
3 |
x−
| ||
x+
|
2 |
3 |
| ||
x+
|
2 |
3 |
| ||
x+
|
2 |
3 |
2 |
3 |
4 |
3 |
2 |
3 |
2 |
3 |
8 |
3 |
| ||
x+
|
7 |
12 |
| ||
x+
|
7 |
24 |
5 |
4 |
3 |
8 |
5 |
4 |
3 |
8 |