设m∈R,关于x的不等式
的解集为
.
(1)求m的取值范围;
(2)求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d10dfc1d7d3b352b5064274dfbc565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
(1)求m的取值范围;
(2)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ebcc96c457a1bd23d14824fcecad02.png)
更新时间:2020-11-28 15:16:02
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【推荐1】已知函数
,关于
的不等式
的解集为
.
(1)求实数
,
的值;
(2)求关于
的不等式
的解集;
(3)若不等式
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094919547e765350c588d83d41f36da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b03af66c2b6d916b41321d7bb292f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978db378a41f3cd1ff08daa5a772b011.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445c49b7b4ad28e3f01f50e0124a59f8.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df3035a93ee714cb232b1ede03806e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa58350436d8e002805c4b5e443af639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f35a410967593f928d9cf4d7e10f3f4.png)
(1)解关于x的不等式
;
(2)已知
,当
时,若对任意的
,总存在
,使
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f35a410967593f928d9cf4d7e10f3f4.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e698276b8f6acf5b457453dc8fffd551.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8f22bf2765c20529c46cedc66a15b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1eef4d243022a93f7c4ffcd6fba0bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdcd43238a8dc9b045558ef4c4155b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca5c282908fef3f0481e376f42c490.png)
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【推荐1】若不等式
的解集是
.
(1)解不等式
;
(2)b为何值时,
的解集为R.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9a91332440ae5eb3495cbc4cbd64b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d684f125ddd3b36c3841f138e8b9106e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de9db115080b62ceb32d39f890b6d8f.png)
(2)b为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c93a5df4808c014f0b4aeffefb3d05e.png)
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【推荐2】设函数
,已知不等式
的解集为
.
(1)若不等式
的解集为
,求实数
的取值范围;
(2)若
对任意的实数
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030805eebb5ad0a065f93bd6f652f687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310134dcec1e19ff41dec81e97313bfa.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf37de61b47595ee9cee74367a6cb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8053e3bd83a2af4b1ee0835b375559c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a3f6ffa41d884d5a789cfd0f5eaec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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