名校
1 . 已知函数
,(
为实数).
(1)根据
的不同取值,讨论函数
的奇偶性,并说明理由;
(2)若对任意的
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9f333cee2ccb2b215d93011a162f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46092f5f8ff359d4a7baa0972566640a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-01-08更新
|
335次组卷
|
4卷引用:江苏省宿迁市沐阳如东中学2021-2022学年高三上学期8月线上第一次调研数学试题
解题方法
2 . 设
,已知二次函数
.若关于
的不等式
的解集为
,且
.
(1)求
的值;
(2)若
均小于
,求
的取值范围;
(3)若对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68a83b4093280ea8750677f6828bf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7582902b416cf00aa7720b9ba2bfa87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9c2932022e90dc6f3892f25e535ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b70fc850e0eec4580731c4d8c74849a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985220f1a4d21a89651aa559ec09b91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e70ad307dbeb95e4c8382636fdf9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
解题方法
3 . 已知不等式
的解集为
,集合
.若“
”是“
”的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a86fb089adee7d7a8ee742b9d9826b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4377d3cbb910d0c672d66f355f799bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-09-24更新
|
585次组卷
|
3卷引用:江苏省宿迁市泗阳县实验高级中学2021-2022学年高一上学期第一次质量调研数学试题
解题方法
4 . 设函数
.
(1)求不等式
的解集;
(2)若当
时,不等式
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69df1b7aa1d3272ba91e0784ef1f66f7.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc868a2077000982bd4594d95cfc351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dee7323a5f40115f731f792e6b920c5.png)
您最近一年使用:0次