对于函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791956b918f2b45654ff4422a3f50d80.png)
(1)
是
的单调递减区间;
(2)
是
的极小值,
是
的极大值;
(3)
有最大值,没有最小值;
(4)
没有最大值,也没有最小值.
其中判断正确的是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791956b918f2b45654ff4422a3f50d80.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985684dcdf66e0b14bc537977611aa62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fe45ecd5d507adc2e7ffc1b1755856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb71ad742b421a7ba62d8c1923d33358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中判断正确的是
更新时间:2020-05-19 14:16:52
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【推荐1】下列说法中,正确的有______ .(写出所有正确命题的序号).①若
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①
是函数
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②
是函数
的最小值点;
③
在区间
上严格增;
④
在
处切线的斜率小于零.
以上所有正确命题的序号是__________ .
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
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②
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③
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④
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