已知函数
.
(1)若
为奇函数,求实数a的值;
(2)判断
的单调性,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d28fd96a55f935ee1528bb1047f6fa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2021-11-27 13:11:59
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已函数
.
(1)判断并证明函数
在
上的单调性;
(2)若不等式
在
有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd008a3bff2fa77e1205a34c8b380f3.png)
(1)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86d8c6c8729919f55fb81dd0088fa77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe63b4ac9160704517a2b20d4f5a23f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-证明题
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适中
(0.65)
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解题方法
【推荐2】已知函数
是定义在
上的奇函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求
的值
(2)用定义法证明
在
上的单调性,并求出在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70524da1eb10d655b79074e99a2b10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)用定义法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdca2a71ceabb3587532ac8ad12833d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdca2a71ceabb3587532ac8ad12833d.png)
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解答题
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适中
(0.65)
名校
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10739ac13aa6f06a7aa4ba1094ed733d.png)
(1)解关于
的不等式
;
(2)设函数
,若
的图象关于
轴对称,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10739ac13aa6f06a7aa4ba1094ed733d.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d02fe5ba973ccbfd1e74a63f8f42e9.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac19775acc535ff414e18c4bed6e7e33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知
是定义在
上的奇函数.
(1)求
的解析式;
(2)已知
,若对于任意
,存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7686198477e82befeebe163c8f521ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdf7c8f771c4605d81e519e13c6dc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0984867afe93021a6917f32694ae1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05af9933e2e059567ce364975b601b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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