已知函数
是定义在
上的奇函数,且
.
(1)用定义证明:
在
上是增函数;
(2)若实数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c1b484c3c16e7e534c2e9eb012c74b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bffac8a5a466e952c53225fcdc795f9.png)
(1)用定义证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e4f77014338664fa818e2f74a76a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
17-18高一上·山西晋城·期末 查看更多[2]
更新时间:2018-03-02 13:22:34
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546600ffabe1a4ed8675448b6d577b6a.png)
(3)若
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解答题-问答题
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适中
(0.65)
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(1)计算a的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff6aac5aa9bac23d44bf08075082385.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
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适中
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027e41c3991aa6d981957f244153a812.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0f2c5504947cb93a136a807554abdd.png)
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适中
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解题方法
【推荐3】定义在R上的函数
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(2)证明:对任意的
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71497018c853319b5fbd68f03f824141.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
(2)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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