已知定义域为
的函数
是奇函数.
(1)求
的值;
(2)判断函数
的单调性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b125a1a2c80da2c2b79431119f5054e0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)判断函数
![](https://img.xkw.com/dksih/QBM/2013/10/31/1571378287738880/1571378293547008/STEM/64aea38873304923abc9690c486570d6.png)
13-14高三上·江苏南通·阶段练习 查看更多[2]
更新时间:2016-12-02 12:40:14
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解答题-问答题
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适中
(0.65)
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解题方法
【推荐1】已知函数
(
,
为常数)是奇函数.
(1)求实数
的值;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983626943d7d32362f7fb2ddc1cb1f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798738bebba5fd0da6406e65683a6e1d.png)
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适中
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解题方法
【推荐2】已知定义在
的函数
下列条件:①对任意的实数
,
恒成立:②当
时,
:③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
(1)求
的值:
(2)判断
的单调性并给出证明:
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29ef32d9bc2e32ef2b8639b57dc9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdd840f967a5760df51b7cf4a7fe509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐3】已知函数
为定义在
的奇函数,且满足
.
(1)求函数
的解析式;
(2)判断
的单调性,并利用定义加以证明;
(3)若对
,都有
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43bbebbda4bd0df064ee854f175776fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016a3a26a73e42ca5ca81c0332f7e762.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c18946c8631ebbbf47a0fc02f4ba7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e28d07b1953222c0064bd2b266f3d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51439216ff312677735b7c68e1c53f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9c054fac13474dd60bf87a7795eb49.png)
(1)求
的单调区间;
(2)求证曲线
在
上不存在斜率为-2的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9c054fac13474dd60bf87a7795eb49.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
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【推荐2】设函数
,求
在定义域上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29982c681fed0126affe36aaf95d2396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐3】已知
.
(1)若
,求
的单调区间与极值;
(2)若关于
的方程
在
上有两个不同的实数根,求实数
的取值范围.
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b29f4cce4ceb6f0775515a737050a4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfc27d13b4d07ade4729b481cc95735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1803820a1a75e67f882379076403b794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b7cfcc147916ae7eeb5d557fea945e.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知定义域为R的函数
是奇函数.
(1)求b的值;
(2)判断
在定义域R上单调性并证明
(3)若对于任意
,不等式
恒成立,求k的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b613b6b500b84dc3110164e7a794c235.png)
(1)求b的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(3)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff535e9cdfe8be051c5675a6265fa94.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
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解题方法
【推荐2】已知函数
是偶函数,且
.
(1)求
的值;
(2)求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9884a4e8eee947c10c70f29bcc013c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388141c33eea9e11831be8c061283570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】已知定义域为R的函数
是奇函数.
(1)求
的值;
(2)已知
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,不等式
(
为常数)恒成立.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31b26dcc96e066238dfa3260b08155e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1067d5cd00a4f65bde4d2b41c74297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次