已知
是定义在R上的函数,
是
的导函数,且
,则下列结论一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ac7fae21d4b5a6ba9ba614e8cdb849.png)
A.![]() | B.![]() |
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2023·贵州贵阳·模拟预测 查看更多[3]
贵州省贵阳市五校2023届高三上学期联合考试(三)数学(文)试题贵州省贵阳市五校2023届高三上学期联合考试(三)数学(理)试题(已下线)第三章 利用导数比较大小 专题二 同构抽象函数比较大小 微点2 构造抽象函数比较大小(二)——超越型
更新时间:2022-11-24 12:40:41
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单选题
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适中
(0.65)
解题方法
【推荐1】下列结论中正确的个数为( )
①
,
;②
;③
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640461197eaf70c0ebe1eb89daf383c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834af8b062ed61e621f8a6d28ec079c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8166e75ef9ebda44ee6c4f23209acca3.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
单选题
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适中
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【推荐2】函数
.若
,
,
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a7c3eb31cf575387a5a71146bb9497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacae25c464b8ea03d5b0f4036cab39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ced3b5ea4e755de43a5059c1747e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5dcf02245676ff41b29aedd1574310.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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适中
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名校
【推荐3】已知函数
满足
,且当
时,
成立,若
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76abdba08f67437184e3cf91bfdde68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18566d396787aad457bb58698777bed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847c92c9089573f793252a736c4993b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dff77c87310ca0191de32b5bfa6eea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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您最近一年使用:0次
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解题方法
【推荐1】已知函数
的定义域为
,且满足
,
,则对任意正数
,当
时,下列不等式一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3347a337fa48a0ca315fd72d751123c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
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解题方法
【推荐2】设函数
为定义在
上的函数,对
都有:
,
;又函数
对
,
,
,有
成立,设
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62826e5114ece563439421509970dc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c52404c4382b6f37b3fea6d03fe48fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ef156851b868ec15e1727854ca90a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcd1cf83c51d6ce8e052fba61504129.png)
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【推荐3】函数
的定义域为
,对任意
,当
时,都有
且
关于点
对称,
,
,
,
,则
这四个数中最大的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142d667a8f2f44b93dae5f235a7b8316.png)
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