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1 . 下列说法正确的是( )
A.函数![]() ![]() |
B.函数![]() ![]() ![]() |
C.函数![]() ![]() ![]() |
D.函数![]() ![]() ![]() |
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2022-04-09更新
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5卷引用:辽宁省铁岭市昌图县第一高级中学2021-2022学年高一下学期期末数学试题
10-11高一下·辽宁本溪·期末
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2ae8b11527a29208556906088fb924.png)
(1)若
,求
的单调递增区间;
(2)若
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2ae8b11527a29208556906088fb924.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746f6f0245189f5d2edc27c7b3fd67ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次