x-3 |
2x+1 |
A.(-∞,-4] | B.[-4,-
| ||||
C.(-∞,-4]∪(-
| D.[-4,-
|
x-3 |
2x+1 |
-x-4 |
2x+1 |
x+4 |
2x+1 |
|
|
1 |
2 |
1 |
2 |
| ||
1-|x-2| |
A.{-1} | B.[-1,1] | C.[-1,1) | D.(-1,1] |
|
A.(3,+∞) | B.[3,+∞) | C.(-2,5] | D.[3,5] |
2-x |
x+4 |
A.(-4,2] | B.[-4,2] | C.(-∞,-4]∪[2,+∞) | D.(-∞,-4)∪[2,+∞) |
ax-1 |
x-2 |
|
A.f(a)-
| B.f(x)-f(a)≥0 | C.f(a)-
| D.f(a)-f(x)≥0 |
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