名校
1 . 下列结论正确的有( )
A.不等式![]() ![]() |
B.函数![]() |
C.若方程![]() ![]() |
D.设a,b,c为实数,不等式![]() ![]() ![]() |
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2 . 已知函数
.
(1)若
的解集为
或
,求
的值;
(2)若
,使不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7c3473ebcdc4dbe8ae7aa09cebed0d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529e54779ea0999c419fc750883b4040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd74277ee3ea236d5f134174621f4e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d079335044124b637b65581d6c53eb6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee956329e95a172d86c86b2f6af7aec.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af722e9474730ded501cdbe156c95f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241cf97a1aa2d6ed054ef82c1b5d369e.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
3 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若对任意
,不等式
恒成立,求
的最大值;
(3)对于函数
,若
,
,
,
为某一三角形的三边长,则称
为“可构造三角形函数”,已知函数
是“可构造三角形函数”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeaac706bcdd57fe55819cd4a7b1e58.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2800d0f4f1b3817b42b6361249a04bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e00c2eb3d8e10a666207b70817feb13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f65a85254de1d32442975edd9ffcca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b9b582f8426f1269b54ee910b97f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49570402aa09e78a4b821c60e2e6881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013e26afc70f2ee073f32b9ab9277216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-11-30更新
|
1736次组卷
|
4卷引用:湖南师范大学附属中学2020-2021学年高一上学期期中数学试题
湖南师范大学附属中学2020-2021学年高一上学期期中数学试题广东省汕头市金山中学2020-2021学年高一上学期期末数学试题(已下线)专题4.2 由函数性质求参数取值范围、解函数不等式 B卷-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)(已下线)期中重难点突破专题01-【尖子生专用】2021-2022学年高一数学考点培优训练(人教A版2019必修第一册)
名校
解题方法
4 . 已知函数
.
(1)若
时,对任意的
都成立,求实数
的取值范围;
(2)求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de557d67050f0059e7ba16f19605dbc8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750739031c4600f93244428de306b505.png)
您最近一年使用:0次
2020-06-03更新
|
1042次组卷
|
2卷引用:天津市北辰区第四十七中学2019-2020学年高一上学期第一次月考数学试题
名校
5 . 已知关于
的不等式
(
为实数)的解集为
,集合
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe167614259ff3ac4ddd06853531a0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd06d8fb2da66ca2f4f68b64d93bf3bb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843c3f388a75bf981c11ca947a86e5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
6 . 已知关于
的不等式
得解集为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c099a8a6f17fbbf0271278ba7581434c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . (1)已知直线
,求与直线l平行且到直线l距离为2的直线方程;
(2)若关于x的不等式
的解集是
的子集,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0ae4d688f297055ccb947022bbdcd6.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa81c2bdc9d4dfa3d747fc53e263b1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ae66c5401deed7341470ca37800463.png)
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解题方法
8 . 已知不等式
的解集为
,关于
的不等式
的解集为
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea054e8cd92fbf23d0d51ffc5a98d67a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970c24f1a82bdceb131be7c171f2face.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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9 . 已知二次函数
的最小值为-1,且关于
的一元二次不等式
的解集为
.
(1)求函数
的解析式;
(2)设
,其中
,求函数
在
时的最大值
;
(3)若
(
为实数),对于任意
,总存在
使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43c6dbeab3ca3c3d1ec292dafebd8f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33ca38b0d8ed9db963b2c78854349c5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7655322606d793c78eb7db59ba8fdd4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c81b29ac8a01886b25dcef55c5f6877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec006c89024a3a0de61213000b8d418f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e91406484c332ac8fc96a54c7e187b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba6fbbaf0854386927c3765d254ffe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e233c52e0f1291688ca2d342bd41f8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb7c3d3dc0febeccfeff6933b2b44c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b355aadb118f0b163f5e8b2125bc13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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10 . 方程组
的解集中含有两个元素,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef47bd40ebd59c1c0a45daf4934018ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-02-05更新
|
254次组卷
|
2卷引用:人教B版(2019) 必修第一册 逆袭之路 第二章 2.1 等式 2.1.3 方程组的解集