1 . 函数
的定义域为D,满足对任意的
,都有
.
(1)若
,试判断
的奇偶性并证明你的结论;
(2)若
,且
在定义域D上是单调函数,满足
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d72359aa32e622429742bf70b0064a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836fcad6a6fec95c876177e58d1a916b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fa0b90dfbce1b77bdd0e2f35c91d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c8a116f962ae769863da8cf8e8b1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01ae1955ff955428876290990fe9ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e60ae3f70bd78b0908d480116edefb.png)
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2 . 已知
,解不等式
.
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572433992949760/1572433998766080/STEM/83808af0a66c4fc093548f6579c19368.png)
![](https://img.xkw.com/dksih/QBM/2016/1/13/1572433992949760/1572433998766080/STEM/01ddc886cdab471f999417f18653c226.png)
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10-11高三·江西新余·阶段练习
3 . 记关于x的不等式
的解集为P,不等式|x﹣1|≤1的解集为Q.
(1)若a=3,求P;
(2)若a>﹣1且Q⊆P,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b04798476a4ac39d54d5f5de626913.png)
(1)若a=3,求P;
(2)若a>﹣1且Q⊆P,求a的取值范围.
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9-10高二下·江西新余·阶段练习
解题方法
4 . 已知函数
,当
时,函数
在x=2处取得最小值1.
(1)求函数
的解析式;
(2)设k>0,解关于x的不等式
.
![](https://img.xkw.com/dksih/QBM/2010/7/8/1569784929886208/1569784934776832/STEM/126da0e487704b4c857e0cf7fe9e8589.png)
![](https://img.xkw.com/dksih/QBM/2010/7/8/1569784929886208/1569784934776832/STEM/ab29fcaa3d944f2aaa3e574a2fc75b7f.png)
![](https://img.xkw.com/dksih/QBM/2010/7/8/1569784929886208/1569784934776832/STEM/6cd8b69cd25a4fdabe5edaa95252b3c5.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2010/7/8/1569784929886208/1569784934776832/STEM/6cd8b69cd25a4fdabe5edaa95252b3c5.png)
(2)设k>0,解关于x的不等式
![](https://img.xkw.com/dksih/QBM/2010/7/8/1569784929886208/1569784934776832/STEM/16a146ed6ae14f119299fab3b1ac59b6.png)
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