已知函数
是定义在
上的偶函数,满足
.
(1)证明:函数
是周期函数.
(2)当
时,
.若
恰有14个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d7b90bdedb7d44b782ee117e478d69.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffbd6d46c75b7454cc1259ed8d818ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa267c613587f9a8c9c11388ed0a7d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-09-29 20:57:14
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】设
是实数,
,
(1)若函数
为奇函数,求
的值;
(2)试用定义证明:对于任意
,
在
上为单调递增函数;
(3)若函数
为奇函数,且不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fec8d5c3850740e63f24c743722ce38.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)试用定义证明:对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296aba0e3514cce0478cd3b6ec0e8549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解答题-作图题
|
适中
(0.65)
名校
【推荐2】已知函数
是定义在
上的偶函数,已知
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/d0528820-e7ec-4f5d-a619-2d4339886323.png?resizew=229)
(1)画出偶函数
的图像;
(2)指出函数
的单调递增区间及值域;
(3)若直线
与函数
恰有
个交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/d0528820-e7ec-4f5d-a619-2d4339886323.png?resizew=229)
(1)画出偶函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ed129a52135fcbf6526a097236f630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
满足
,
,且当
时,
.
(1)证明:函数
是周期函数;(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c0f7353b3332e1f56cca59378c4e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3057dcc7e4d6b0fa53a1b96e8b671429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ccc48ec41b56ff45be08bd3439f6a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e94fa6f24cd4686a885ca981f766eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0294be39537ecaa8fd2709004f159f9.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f2c36dc23da4a28fed7d558afc1929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】函数
满足
.
(1)证明:
是周期函数;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e752caea601c31a0674b0c3639901c.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1d52eb920e76d310c89cc80dd06d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知奇函数f(x)=a
(a为常数).
(1)求a的值;
(2)若函数g(x)=|(2x+1)f(x)|﹣k有2个零点,求实数k的取值范围;
(3)若x∈[﹣2,﹣1]时,不等式f(x)
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfac5871ea955fc2b2325e4230f76b57.png)
(1)求a的值;
(2)若函数g(x)=|(2x+1)f(x)|﹣k有2个零点,求实数k的取值范围;
(3)若x∈[﹣2,﹣1]时,不等式f(x)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28562df63bc7858b34cc21f521e5ba69.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】(1)已知函数
为偶函数.求
的值,并证明
在
上单调递增;
(2)已知函数
为常数.
有两个不相等实根
,求实数
的取值范围,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cabbb7bc9b33f71760e36723ff39d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbb43c5a4ba2bb2a84384dd5f546324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df279462385777530f5e5d5883c370d9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知
是定义在
上的奇函数,当
时,
.
(1)当
时,求
的解析式;
(2)若
有三个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae0098c7885b282caac56dd10898ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次