1 . 解下列关于
的不等式或不等式组:
(1)设
,解不等式:
;
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc05cde4f00587cf3e7d3524b2bddf4.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7794539786aff30ed0e24158db88ae6b.png)
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2 . 已知集合A是不等式
的解集,集合B是不等式
的解集.
(1)求集合A与B.
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6bcabed0235edb35aaca2435f151663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c99da428bb8eac760090667af536eb6.png)
(1)求集合A与B.
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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3 . 求下列不等式的解集:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a757129b48637c74ab528b798573e4c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269834a21fae172758bac75034963bc6.png)
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2018-12-30更新
|
555次组卷
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2卷引用:2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题
名校
4 . 设
,
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1762c809d09fd3aab075e71e3e13a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df7233e1c2c8b4e0f1e5bf5f91d71b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06042400ffce78a248a1a34336a5fef.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d863dc7fbb5ef32811354df8f0be5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391974f19a73d5155b895564f867acdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
5 . 已知全集
,集合
,
.
(1)当
时,求
的取值范围;
(2)当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db115b89bb5e70e4b89fa04634ff8be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c25821f11f4e661fb2acbe43a2c5060.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 设P表示幂函数
在(0,+∞)上是增函数的c的集合;Q表示不等式|x﹣1|+|x﹣4|≥c对任意x∈R恒成立的c的集合.
(1)求P∪Q;
(2)试写出一个解集为P∪Q的不等式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33632a330fd55b8723f150d52ec1e476.png)
(1)求P∪Q;
(2)试写出一个解集为P∪Q的不等式.
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