-2x+a |
2x+1+b |
-2x+1 |
2x+1+1 |
-2+1 |
22+1 |
1 |
5 |
-
| ||
2 |
1 |
4 |
-2-x+a |
2-x+1+b |
-2x+a |
2x+1+b |
|
|
|
|
|
|
|
-2x+1 |
2x+1+2 |
1 |
2 |
1 |
2x+1 |
1 |
2x+1 |
1 |
2 |
1 |
2 |
3 |
2 |
3 |
4 |
3 |
4 |
1 |
2 |
A.y=
| B.y=1-x2 | C.y=1-2x | D.y=|x| |
|
A.K的最大值为
| B.K的最小值为
| ||||
C.K的最大值为2 | D.K的最小值为2 |
f(m)+f(n) |
m+n |
1 |
2 |
1 |
|x| |
A.y轴对称 | B.直线y轴=-x对称 |
C.坐标原点对称 | D.直线y=x对称 |
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