1 . 已知函数
,若关于
的方程
有4个不同的实根,则实数
可能的取值有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21570cc07a56ee1a746cd6c665b46ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bd445a7a1553c28a5cc9130b226fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知函数
,若关于x的方程
有四个不同的根,它们从小到大依次记为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470d0556c2f5c376984e734e4b14d960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ff8ead4cdab0a4d459eee136739d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
A.![]() | B.![]() |
C.![]() | D.函数![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,
.
(1)设
.若
恰有两个零点
、
,且
.判断函数
的奇偶性(只需给出结论,不需写证明过程),并求实数
的值;
(2)若
,
,
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c1435ac112f1a98c40725d361d20b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd055fc5fdc69045fd6d4bca7c37eab3.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1298b16851618bb8884791817a78d0a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab0fdded94776c7e330d6c21ab4860a.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/9159bc3e165a4f2ee9d67f8f5180e7bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea7936ad4048b3fc87a81d5469ec33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61649f88b8cbbb573713ff3fe3097d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
满足:对
,都有
,且当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b0337b2d14c529ae61d4fd9a975459.png)
函数
.
(1)求实数
的值,并写出函数
在区间
的零点
无需证明
;
(2)函数
,
,是否存在实数
,使得
恒成立?若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c68e603ad17bf72634d2cc6d785ca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20111317cfd9de576cb594063b92acb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b0337b2d14c529ae61d4fd9a975459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804c08d1b45ecee648f2f745884c0874.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b7c2420c387be8882df4359ac10b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788273681f22dd4f097e90c5de1821e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5cee84381134d1937627d7b4eff6308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de535172010550ecee49cfcbfd752897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
5 . 已知函数
,
,
的零点分别为
,
,
,下列各式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422208edf11395afe6ab7e790152a449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90bcec2dfdc578161b703704738a020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4578c93a991f219bf3418053ba6ea3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知函数
是定义域为
的奇函数,直线
是函数
的图象的一条对称轴,当
时,
,则( )
![](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/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
A.![]() | B.![]() |
C.![]() ![]() | D.方程![]() |
您最近一年使用:0次
名校
7 . 已知
,若方程
有四个不同的解
,
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d6eccfbed60b70b617a2d0f01d4b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f2949d6f33b6adb33e4ca2e85c1a1d.png)
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解题方法
8 . 已知函数
与
的零点分别为
和
,若存在
,
使得
,则实数a的取值范围是______ .(
是自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc9e9802ec71e863cde96cf2bcb5750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8dc1e48066c7d2722d3e0e94504155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4184c3549eb113697c3ca15e1cabf85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
解题方法
9 . 定义在实数集
上的奇函数
满足
,且当
时,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
A.函数![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.方程![]() |
您最近一年使用:0次
2024-02-13更新
|
454次组卷
|
2卷引用:湖北省武汉市新洲区部分学校2023-2024学年高一上学期期末质量检测数学试卷
10 . 已知函数
,若方程
有四个不同的解
,
,且
,则a的取值范围是_____________ ,
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7cf1f2c6f67e2cab17070879a97bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695051d4a3df4cadf89bbad603c31da.png)
您最近一年使用:0次