|
y-1 |
x+1 |
y-1 |
x+1 |
|
|
5-1 |
4-(-1) |
4 |
5 |
|
|
12 |
7 |
3 |
7 |
| ||
|
3-7 |
12+7 |
4 |
19 |
4 |
19 |
4 |
5 |
y-1 |
x+1 |
4 |
19 |
4 |
5 |
4 |
19 |
4 |
5 |
|
A.a≥
| B.0<a≤1 | ||||
C.0<a≤1或a≥
| D.1≤a≤
|
|
A.a | B.-24<a<7 | C.a=-7或a=24 | D.-7<a<24 |
1 |
a |
A.a<1 | B.a>0 | C.0<a<1 | D.a<0或a>1 |
|
y |
x |
A.[0,+∞) | B.[
| C.[0,
| D.(-∞,+∞) |
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