1 |
2 |
1-ax |
x-1 |
1 |
2 |
1 |
2 |
1+ax |
-x-1 |
1 |
2 |
1-ax |
x-1 |
1+ax |
-x-1 |
x-1 |
1-ax |
1 |
2 |
x+1 |
x-1 |
2 |
x1-1 |
2 |
x2-1 |
2 |
x1-1 |
2 |
x2-1 |
x1+1 |
x1-1 |
x2+1 |
x2-1 |
1 |
2 |
x1+1 |
x1-1 |
1 |
2 |
x2+1 |
x2-1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
9 |
8 |
9 |
8 |
1 |
2x+1 |
A.单调递减无最小值 | B.单调递减有最小值 |
C.单调递增无最大值 | D.单调递增有最大值 |
|
A.±1 | B.-1 | C.-2或-1 | D.±1或-2 |
5 |
2 |
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