4x |
4x+2 |
1 |
100 |
2 |
100 |
3 |
100 |
99 |
100 |
4x |
4x+2 |
4x |
4x+2 |
41-x |
41-x+2 |
4x |
4x+2 |
4 |
4+2•4x |
4x |
4x+2 |
2 |
2+4x |
4x+2 |
4x+2 |
1 |
100 |
2 |
100 |
3 |
100 |
99 |
100 |
1 |
100 |
99 |
100 |
x2+5 | ||
|
A.2 | B.
| C.1 | D.不存在 |
A.m<
| B.m<
| C.0<m<
| D.m>
|
A.(-2,2] | B.[-2,2] | C.(2,+∞) | D.(-∞,2] |
b+3 |
a-2 |
A.(-
| B.(-∞,-
| ||||
C.(-
| D.(-∞,-
|
A.0 | B.-4 | C.-2 | D.2 |
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