1 |
4x+2 |
1 |
2 |
1 |
4 |
1 |
8 |
2 |
8 |
7 |
8 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
41-x1+2 |
4x1 |
4+2•4x1 |
4x1+2-2 |
2(4x1+2) |
1 |
2 |
1 |
4x1+2 |
1 |
2 |
1 |
2 |
1 |
4 |
4 |
8 |
1 |
4 |
3 |
8 |
5 |
8 |
2 |
8 |
6 |
8 |
1 |
8 |
7 |
8 |
1 |
2 |
1 |
8 |
2 |
8 |
7 |
8 |
9 |
4 |
1 |
3 |
1 |
2 |
A.{x|-1<x<1} | B.{x|-2<x<2} | C.{x|-2<x<3} | D.{x|1<x<3} |
A.-2 | B.2 | C.1 | D.-1 |
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