名校
解题方法
1 . 若
,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84bd834be352f58357fb07cb824cb8b.png)
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2022-04-29更新
|
1105次组卷
|
4卷引用:天津市第四十二中学2021-2022学年高二下学期期末数学试题
2 . 已知函数
.
(1)求不等式
的解集
;
(2)若
为集合
中的最大元素,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffe96738ff320c719eb69dd0d71f46e.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7781c508a50aa26f2a42126a52564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ca26e6208945f9abd8d6851b203f1c.png)
您最近一年使用:0次
2020-09-12更新
|
551次组卷
|
4卷引用:天津市河西区2020-2021学年高二下学期期末数学试题
3 . 若实数
、
满足条件
,则下列不等式一定成立的是( )
![](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/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知
,
,且
,则下列不等式恒成立的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 若
,且
,则下列结论一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-11-20更新
|
475次组卷
|
6卷引用:天津市滨海新区滨海新区汉沽第一中学2019-2020学年高二上学期期末数学试题
名校
6 . 已知函数
.
求不等式
的解集;
若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0600f8c3436216cf462464059222435c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec4add31dd4c2d48aadbb7bd13e607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd1e64f71a799288538c9b34689f837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-07-17更新
|
243次组卷
|
2卷引用:重庆市南开中学2018-2019学年高2020级高二下学期期末数学(理)试题
7 . 设不等式
的解集为
.
(1)求
;
(2)若
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cf08b3a0842d68535f1753c080a039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e35231b964e293122c4383dac2431b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413c046cf91d6f7820a306ddc728160a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425ab65a138282bfa043c517d2896a54.png)
您最近一年使用:0次
8 . 若
,则
的大小关系为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad790113fa4f20cb91bf9105e8259c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-07-05更新
|
518次组卷
|
3卷引用:【全国市级联考】天津市部分区县2017-2018学年高二下学期期末考试数学(文)试题
9 . 已知函数
,若关于x的不等式
的解集中的整数恰有3个,则实数m的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ade85b501e44f6d152c18fd0f99382.png)
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389730816/STEM/8d18ce9e3dd1435aad18a3c2b221077c.png)
A.3<m<6 | B.1<m<3 |
C.0<m<1 | D.-1<m<0 |
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