1 . 已知函数
,集合
.
(1)当
时,解不等式
;
(2)若
,且
,求实数
的取值范围;
(3)当
时,若函数
的定义域为
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1d1a642cd6cc42e7052f73fe989512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa787e5f28fe0ca60540db7454b63db2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35061ce07c6c4c3537f7b9934ba682d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9308bb553e88185db6f98a757f0aab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d673991d602ba920e9a84ec03c67c3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230f2747340e29ab288d9b5b8cc44b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751afe327bd2cd6e0d2336556ee5aded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
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2018-07-02更新
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2卷引用:【全国市级联考】江苏省南通市启东市2017-2018学年高二下学期期末考试数学试题