已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)当
时,解不等式
;
(2)若关于
的方程
在
上有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c94ffa8d4bface8838f3cf7ca709e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb4c7cd0156b559abd0bf3de333d635.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e04fa75e0e833d76c51b09c8c1911c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2023-08-26 23:52:12
|
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】设集合
是函数
的定义域,集合
是函数
的值域.
(Ⅰ)求集合
;
(Ⅱ)设集合
,若集合
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/74bdfa7765ce438abfd4e74b5b3d8c22.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/0605e7549fa94e8ea982b1e781643472.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/09af48e628574eeaadaf8772abba63d5.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/5540b611df5440778026582ecdc19638.png)
(Ⅰ)求集合
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/35cb20b5bf824500b9ff208b00afe59b.png)
(Ⅱ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4746ab7c70be99032269726b81089ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d9db05ae0d7e541b574e7a749fe0da.png)
![](https://img.xkw.com/dksih/QBM/2014/1/22/1571501693059072/1571501698572288/STEM/7a15995aa5dd480997485e8ae0f5997d.png)
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解答题-证明题
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【推荐2】已知函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3755188f55c3a8a694a31045462f98.png)
(1)求
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(2)判断并证明
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐1】已知指数函数
,且
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,
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(1)若
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在
上的单调性;
(3)设
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1d195c6dcc117e03c8703273120401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d94bd43003dbb6412d6fe38c89abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.png)
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(1)求A和B;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc88d8e6c706fca06d9740a804bbab1.png)
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名校
【推荐3】设全集为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e68ea1f9f989669ec3f1438bd15e06.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a56eb864b1a684c36d58ac8f9e3ea24.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfada98e40a195f68b1ed752a386ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7893cdb324f5378417c1977ce17667a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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