名校
1 . 设不等式
的解集为
,不等式
的解集为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a6bfb045ed2f56965b20465e866cc49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec4851eacf42a801cc9d6b8f961c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b55cc89976326166e3b6eeb6b3512e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2192a27bafd6d663a443e8b4f54a83b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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2 . 定义区间
,
,
,
的长度均为
.已知实数
,则满足
的
构成的区间的长度之和为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b807b9b8da58da1b6778865efccb01b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cba725d9727170383fef1ecb2a9503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b019df3b72d7664a4429b206e69d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153f63689551b4f52a4a29ea639966f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de374592100c57865a606a2d21ece9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8594e65dc1b7f2232076d5b674065b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
3 . 已知下列命题:
①不等式
的解集为:
或
;
②不等式
的解集为:
;
③不等式
的解集为:
;
④若不等式
对任意
都成立,则
;
⑤若
,则函数
,
的最小值为
.正确的有_____________ .(将你认为正确的命题的序号填在横线上)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d22a3d395ff99792f7c0bd45c496456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da648ee55d60eb76c56cd747c30d40f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f48d0fd32d220f682b97d769356d4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc4eddd3a646184eecda1f72c3e759e.png)
③不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ae40c77edce0e73d808541da23d071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf76b4073ae6950540bad28b4a77846.png)
④若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88696bdb9875349efeafd249731bc2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43976a38904f9103b86e51a255783465.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f71a22daa4df7bd75c1e3e66fcb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7857ff8e98ca88a6e2520d43787ee2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a33b12b3e29154e6615d4136e943045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
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4 . 不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb40e4539363b3448ea260c13bee937.png)
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5 . 不等式
的解集为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0ba5b360824c537ba96208adccf1d5.png)
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6 . 设
表示幂函数
在
上是增函数的
的集合;
表示不等式
对任意
恒成立的
的集合.
(1)求
;
(2)试写出一个解集为
的不等式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd954c53a2329f085641fc22ca7fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa52094caf702b793cb830e2bf696e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
(2)试写出一个解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
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7 . 已知方程
的三根可作为一个三角形的三边长,那么m的取值范围是______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38b96130b14740cb745d27f0bc7c4ab.png)
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2020-01-31更新
|
364次组卷
|
3卷引用:上海市上海外国语大学附属外国语学校2015-2016学年高一上学期期中数学试题
8 .
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398c4bc0b09ead5882cf1bb0cdb12791.png)
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9 . 设函数
.
(1)试写出函数
的单调区间,并对于
的情况用函数单调性的定义给予证明;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d65ad1e40bac86f172417af408e849a.png)
(1)试写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
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10 . 已知方程
有两个不相等的实数根,设
的取值集合为
,设关于
的不等式
的解集为
,求
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0afddaa77c537f58b3e53e59beea0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555005101f22ace6e88b3fae362e42fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9bec5e18a72585922178675d6ccf58.png)
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