设函数
.
(1)当
时,求关于x的不等式
的解集;
(2)若关于x的不等式
的解集为
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66b6f3dd83ee4ae9da8cfe0ab6ab4f1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
22-23高一上·广东深圳·期中 查看更多[4]
广东省深圳科学高中2022-2023学年高一上学期期中数学试题陕西省咸阳市2022-2023学年高二上学期期末文科数学试题陕西省咸阳市2022-2023学年高二上学期期末理科数学试题(已下线)期中真题必刷常考60题(24个考点专练)-【满分全攻略】(人教A版2019必修第一册)
更新时间:2022-11-14 10:04:12
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解答题-问答题
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【推荐1】设集合
,
.
(1)若
,求实数a的取值范围;
(2)若
,求实数a的取值范围;
(3)若
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7865b41adab5788648fbfd1b3241bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef2a3ba5b4fc954ec7742e34e7236d2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb171e17bd57652ac5812da5a823dc0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc887a6c34c3e2f859e6a59a9ed4cac7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ffaf58f938f2e4e6b97edd6acc1dc9.png)
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解答题-问答题
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较易
(0.85)
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【推荐1】若函数
对定义域内的每一个值
,在其定义域内都存在唯一的
,使
成立,则称该函数为“非孤单函数”.
(1)若函数
在定义域
(
)上为“非孤单函数”,求
的取值范围;
(2)已知函数
在定义域
上为“非孤单函数”.若存在实数
,使得对任意的
,不等式
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.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/c13ca0f27aa97d8d1bec1f6879f460d6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c67d7056f22d50ae920a03b8ee7cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f537c893dfe2661ba4273cf218c72d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed48121c3ed15b3617d240c541b10c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdae0482d51063c22282f2e49332526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc53c366cc45062f75b446f5e0420d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91b18127b51a93a54db0e96390bbf3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
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【推荐2】已知函数
.
(1)若
在
上恒成立,求实数
的取值范围;
(2)若
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cde4a9c2c8c1222011a15734b1df5c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2766350f2dbab1ebaaba1e25de3b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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