已知函数
与
的图象关于点
对称.
(1)求函数
的解析式;
(2)若函数
有两个不同零点,求实数
的取值范围;
(3)若函数
在
上是单调减函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8d212ddc26e36e44d01b9779dc3995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd22d7f060c08de885f3ade9f4034ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd1d9a4af85368687a3bc8a7cebe87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-03-17 20:54:35
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相似题推荐
解答题
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适中
(0.65)
名校
【推荐1】已知
是定义在R上的偶函数,且
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c96fde0e0a9b99e4624fb6c4e946452.png)
(1)求的值;
(2)求函数的解析式;
(3)若,求实数
的取值范围.
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解题方法
【推荐2】已知函数
是定义在
上的增函数,对于任意的
,都有
,且满足
.
(1)求
的值;
(2)求满足
的
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/1d706519bae1423d8317872bfa6cb73d.png)
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/985b10db1cb24f738c81e38443aa1eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7ba98a91f8d890daedca91e3cc778c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6521ef75f0a05fe62cdfd2fbbe0430b6.png)
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/bde4671fd0f64d6d8a4ee25359b51a24.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/0f6d04312c3a4676b8bb39ac4db3dba9.png)
(2)求满足
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/c46fbd3e5b7741cab9f8f14a92927d60.png)
![](https://img.xkw.com/dksih/QBM/2014/9/5/1571850440687616/1571850446577664/STEM/457a042f17c64e28b1bffdf64039229e.png)
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【推荐1】如果函数
的定义域为
,且存在实常数
,使得对于定义域内任意
,都有
成立,则称此函数
具有“性质
”.
(1)已知函数
具有“性质
”,且当
时,
,求函数
在区间
上的函数解析式;
(2)已知函数
既具有“性质
”,又具有“性质
”,且当
时,
,若函数
的图象与直线
有2023个公共点,求实数
的值;
(3)已知函数
具有“性质
”,当
时,
,若
有8个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80a01118f21516915cb177acc3d1220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc1d4dfe9b98c934cb60526c8e36074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343069217cd6d8dd32446da428dae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dcff07bb0d9e583a534c663ba2477f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1793dd78ce35197f7a7f65d142a5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f75a933d05d250f387ea90fcd465e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d293b832a0bdb259f86452096846f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐2】已知函数
的图象关于原点对称,其中
为常数.
(1)求
的值;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8eb8ea05de616e19a06bb0e94f85261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70be4f6136b0b0d4ba1a4a810d511cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44ab8f56e9caa1fc80ac011fa95333c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
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(0.65)
【推荐1】已知
是函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c809cda6bd1f352ec6caa8c7b24e16b2.png)
的一个极值点.
(1)求函数
的解析式;
(2)若曲线
与直线
有三个交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c809cda6bd1f352ec6caa8c7b24e16b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5bee6784b53f0789447cdc2b90fc186.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f9bd7fdb0c44b5e2e1d5a59dd6f7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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解题方法
【推荐2】已知函数
,对任意
满足
.
(1)求实数
的值;
(2)设函数
,求
在区间
上的最大值;
(3)若存在实数
,使得关于
的方程
恰有
个不同的正根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8944834385332001a50dbf8449caa34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3b657ebd1733b4f19dcbec44919924.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97492fc3074c4f5fee442aa2dbea638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1e12efc515a2a7cf8e7e438c60303a.png)
(3)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a431797b4de8f95a6f12db2c7b8483c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-作图题
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【推荐3】已知函数
是定义在
上的偶函数,当
时,
.现已画出函数
在y轴左侧的图像,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/76e93127-c9b2-4c59-b3e7-708547bd2733.png?resizew=180)
(1)画出函数
在y轴右侧的图像,并写出函数
在
上的单调增区间;
(2)求函数
在
上的解析式.
(3)结合图像分别直接写出:当m为何值时,关于x的方程
有2个实根?3个实根?4个实根?0个实根?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/76e93127-c9b2-4c59-b3e7-708547bd2733.png?resizew=180)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(3)结合图像分别直接写出:当m为何值时,关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f5b67393dc60ad176fb2a3c900f14b.png)
您最近一年使用:0次