求下列函数的定义域,并用区间表示:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bf5aab5479df6ec7b37d4618f0be07.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bf5aab5479df6ec7b37d4618f0be07.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad57ce8ca71187e47303da8e0257714.png)
更新时间:2022-10-20 12:47:28
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解答题-问答题
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较易
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解题方法
【推荐1】记函数
的定义域为A,求A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dafbfdc9254282567a3e91e9302d6a.png)
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解答题-问答题
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较易
(0.85)
名校
【推荐2】设集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e112f13b587c828593a238a919b65c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2953e4a3c42b0abc98544cac01f71e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36be0d45c320e74b3bfee0aa5737fb0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次