函数
的定义域为
,对定义域中任意的
,都有
,且当
时,
,那么当
时,
的递增区间是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f88c423db06edfcb8d2e7a6edab505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726240335bcd0d23a641c7de9ee72e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55cd8b0be2229425e6eaa6c0aed2e062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c938d39dd3106cd700265151741e18e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92e622e0dbd757c15afd02e7337254c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-12-03 15:31:14
|
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【推荐1】函数
,若方程
只有三个根
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31802d4bd4605173bc54594b99584e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a70cde14df4c6472d55a63f8341ff91.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98fd66036df466cfa00c3e93f3008e82.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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