名校
1 . (1)已知
,不等式
的解集为(0,5).
①求
的解析式;
②若对于任意的x∈[-1,1],不等式
恒成立,求t的取值范围.
(2)若不等式
对满足
的所有
都成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212c6ebd9706154afcb5470c82338e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b817338735d4c23394d6601a7ea4ce.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②若对于任意的x∈[-1,1],不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930b2eace87389cc50d47d8e86c3f603.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4476ebd7c86f108575c22bc49c24572e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b31cf2caddb8555c14f682e94b79b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
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名校
2 . 已知命题:“
,不等式
”是真命题.
(1)求实数
的取值集合
;
(2)设不等式
的解集为
,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81199c5df930d4a85550c4e20c266b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d03796ad94613a24f2634722dd9603b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d1a94d97a29ca37623e732228c785b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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)
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2021-01-02更新
|
174次组卷
|
4卷引用:山西省运城市高中联合体2020-2021学年高二上学期12月调研测试数学(文)试题
3 . 已知
:方程
有两个不相等的实数根;
:不等式
的解集为
.若“
”为真,“
”为假,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/8fc3a6fe2c5f413eb94d763baacb019a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbec0662b572e1d080118ac81494237.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/5735911f1e0b4222bc1ad5cc99a470a5.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/facd0787d98a4bb3991efb6b2a5ffefc.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/2c822ec36bf043019d16a580c92afb35.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/bfa1bcb8c5de46c88b237138e827891b.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/bface9d52a3c44a0910de3379f131944.png)
![](https://img.xkw.com/dksih/QBM/2017/1/6/1619444845977600/1619444846280704/STEM/c9898625d8684be99464f84bc813280b.png)
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