名校
1 . 已知函数
,若存在实数
使得
的解集恰为
,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befd13224bf48bb38f3fa6e1af86ca9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 已知函数
.若
时,函数
恰有两个不同的零点,则
的值为__________ ,若
时,
的解集为
,且
中有且仅有一个整数,则实数b的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278ae2c411fce49b3230964fa0ab6908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724615ca6ac4e55fc5d791eeae43aa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
您最近一年使用:0次
2020-12-18更新
|
483次组卷
|
2卷引用:天津市滨海新区塘沽一中2020-2021学年高三上学期第一次月考数学试题
名校
3 . 已知函数
,若
的解集为
,且
中恰有两个整数,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a309ca6aafb107c8d03b44216ffbd31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f50e0383945857f1531ce8ca6453fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f50e0383945857f1531ce8ca6453fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-10-19更新
|
513次组卷
|
4卷引用:山东省日照市莒县2019-2020学年高二下学期期中过程性测试数学试题
名校
解题方法
4 . 已知函数
,
的解集为
,若
在
上的值域与函数
在
上的值域相同,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0317cf94b95af41d0c6713418f20fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d227791735377cb0c5644bd895fe4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 在下列命题中,正确的命题有________ (填写正确的序号)
①若
,则
的最小值是6;
②如果不等式
的解集是
,那么
恒成立;
③设x,
,且
,则
的最小值是
;
④对于任意
,
恒成立,则t的取值范围是
;
⑤“
”是“复数
(
)是纯虚数”的必要非充分条件;
⑥若
,
,
,则必有
;
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef389807e5cb964f7756c6841f7161d.png)
②如果不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae8fff7c98b78992edcd61daf6ea72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7b2668d8fcf713370822c8e368ba7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da693578d4cd0c841fd529fe7ebfe4d.png)
③设x,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2519954ec2deabecd7e057886fa4023c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8887f77124cbe18a4931826ede9c9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
④对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b687f97094676b2755bc724219a58520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ce220e0583c843810d4b44de111156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49bc53d70ee599df5cad39f06f728c2.png)
⑤“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d96d22950baabd8ca6647205f1d3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
⑥若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2e606c883dace7fbd88223c8067885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9d3040a7a1fc2cf8ac555dbafc97dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc277eef249facf647e13a58e3c2fe26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297a7062ba8f240d7517f0dd3ee6a27d.png)
您最近一年使用:0次
6 . 已知函数
,若
的解集中有且只有一个正整数,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75c9158c8c2393077ee600558cfc2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
7 . 已知函数
.在下列命题中
(1)曲线
必存在一条与
轴平行的切线;
(2)函数
有且仅有一个极大值,没有极小值;
(3)若方程
有两个不同的实根,则
的取值范围是
;
(4)对任意的
,不等式
恒成立;
(5)若
,则
,可以使不等式
的解集恰为
;
其中正确命题的序号有____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577ae7344fd256ae4c8034a4c5fc83fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b530264e7a8d3df1f42eef6a55a834.png)
(4)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec7a126e69669d0374f88122823818d.png)
(5)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9514144b198b803c7763c71bad84ceb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43417c1f72616b912dea4d7f503852b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5931095eb29d9d6b55ed9fa32a4ef1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351629c193354cdcf202133052e45028.png)
其中正确命题的序号有
您最近一年使用:0次
8 . 已知函数
的图象关于点
对称,设关于
的不等式
的解集为M,若
,则实数
的取值范围为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51a78e9e450d703d6bda7fbc3bd5a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09872be2fce54e922259bde2c540bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d326dd9e6f934cbe3a4e5151768ee4e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afc32402668c656a5d359614e39869a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2017-05-21更新
|
1003次组卷
|
4卷引用:山西省孝义市2017届高三下学期高考考前质量检测三(5月模拟)数学(文)试题
山西省孝义市2017届高三下学期高考考前质量检测三(5月模拟)数学(文)试题山西省临汾第一中学2017届高三全真模拟数学(文)试题1山西省临汾第一中学2017届高三全真模拟数学(文)试题2(已下线)2018年高考二轮复习测试专项【苏教版】专题六 不等式