1 . 已知定义在
上的奇函数
,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/cd4440be-04d3-40a2-9c19-ebfe7b00c052.png?resizew=242)
(1)求函数
在
上的解析式;
(2)在坐标系中作出函数
的图象;
(3)若关于
的方程
恰好有三个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0b5d5192ac1e8ed68841d605e4c47d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/cd4440be-04d3-40a2-9c19-ebfe7b00c052.png?resizew=242)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)在坐标系中作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da3023b0765cfb1b268e29e1d01de0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-20更新
|
147次组卷
|
2卷引用:江西省宜春市丰城市东煌学校2024届高三上学期期末数学试题
名校
2 . 已知幂函数
是偶函数,且
.
(1)求
的表达式
(2)若函数
在
与
轴有交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a895de622b7036627e15f5eb230f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1144f28f383323fad90e2f595042ff.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1ca15e2e1b9122c520776210517d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-12-04更新
|
439次组卷
|
4卷引用:江西省上饶市广丰区2021-2022学年高一上学期第三次月考数学试题
名校
解题方法
3 . 已知函数
.若方程
有三个不同的解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6052daa0353bd3e1f9c85e437c7ecd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
您最近一年使用:0次
名校
4 . 已知函数
,
.
(1)若关于x的方程
恰有两个解,求m的取值范围;
(2)设
,若对任意的实数
,函数
在区间
上的最大值与最小值之和不大于
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8441dca2bd57e68b05e03796cc3a7d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b8b47033825be5414aee5c5e4bec77.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218dea322c4bd90910d3959d52cb2703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8682c07954e4ba88e5766b1e005f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781e6d5f1ece7c6c16f30ee911566efa.png)
您最近一年使用:0次
2021-02-05更新
|
383次组卷
|
3卷引用:江西师范大学附属中学2020-2021学年度高一上学期期末考试数学试题
名校
5 . 已知函数
的最小值为
,且
的图象相邻的两个最高点与最低点的横坐标之差为
,又
的图象经过点
.
(1)求函数
的解析式;
(2)若方程
在
上有且仅有两个零点
,
,求
的取值范围,并求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdb24bbb9162bf6f2c4a80ad48298cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefeac0d38a1a529666ebbb9278835a2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7072fcba028cb70e42a9f8a69c5e925e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce8fe2e24e1a60c14130fbec49ff2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
您最近一年使用:0次
名校
6 . 已知函数
,函数
.
(1)若函数
在
和
上单调性相反,求
的解析式;
(2)若
,不等式
在
上恒成立,求
的取值范围;
(3)已知
,若函数
在
内有且只有一个零点,试确定实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ebb78812f0aac0309e829b69958f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177c8970045633ba170ec8de043a08df.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7985d10eebc1abb5fea36eaf752af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8488e509c8402f01fae298324af70be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0097b2a40fd339906bb03607246d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9beccaa0e4ee6e08e21f876d6a61900a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-13更新
|
315次组卷
|
3卷引用:江西省新余一中、樟树中学等六校2019-2020学年高一下学期第二次联考数学(文,创新班)试题
名校
7 . 如图所示,定义域为
上的函数
是由一条射线及抛物线的一部分组成.利用该图提供的信息解决下面几个问题.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817285750546432/1818552665243648/STEM/428dc25527904650b6033acf7b9b588a.png?resizew=166)
(1)求
的解析式;
(2)若
关于的方程
有三个不同解,求
的取值范围;
(3)若
,求
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f545a87bd651b061768225748b78c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817285750546432/1818552665243648/STEM/428dc25527904650b6033acf7b9b588a.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebeb4e3c8892c25f349a368b05b992d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2017-11-16更新
|
2065次组卷
|
6卷引用:江西省南昌市第十中学2020-2021学年高一上学期期中考试数学试题
名校
8 . 已知函数
.
(1)求
的最小正周期;
(2)若关于x的方程
在
上有两个不同的实根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d37aa8abbdfa45fb7f768324b730e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41669503b3e62cf2951540e90ad298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
您最近一年使用:0次
解题方法
9 . 已知函数
满足
且
.
(1)求
的值.
(2)若方程
的有两个不同的解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470ee94f35dbfb9f1f052bb1322cbbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c38a21483a2dc328d2e0b1d1b62599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef42db116c9e6d3e7bd43bf480f8e5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112cfe646b56334d8e3a759098c4dbd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次