1 . 已知
的导函数为
,若
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2300cfe50ebf70330343292d7710a463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66db96232906e6df28006b51669f6ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 设
是函数
的导函数,若对于任意的实数x,都有
,给出下列命题:①
是定义域上的增函数;②
;③
的最小值为
;④函数
恰有1个零点.其中正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceec72ad249f0ef8750d12a473148688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2c1b94d085032398ba2a3473c52edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2356758a542b0808ef040354354228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec887a5238c1ec5e48fad4076282b75.png)
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名校
3 . 若函数
与
的图像在实数集
上有且只有
个交点,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e6ba4230dfa28a272b21f63ab19996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-03更新
|
358次组卷
|
7卷引用:四川省眉山市仁寿第一中学校(北校区)2023-2024学年高二下学期5月考试数学试题
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名校
解题方法
4 . 已知函数
,其中
.
(1)当
时,求
的最小值;
(2)若
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43ea66e63585a0785f4dee1d38098e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289fdf3d7182a4b6fbca0a2925fbec01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
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5 . 已知定义在
上的幂函数
同时满足以下条件:①
,②
,③
,
.则
可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca54c030a524028f5d8a2074d5b4dea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5411c2a1b18f58606750c337aa2305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b2a374ef051a3aadaf5cc2ed055b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
(
且
),式子①
,②
,③
,则对任意
,存在
,
,能使上面式子恒成立的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f552614c90462c718be7493d97a6ab35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c7db29a4a428764bffa208fefeafc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19e40a62b35c2b9bf26ecc09ef002ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072baa25fc626c6f692c4fd014490095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c554ae6af10d6364df83ef053cf022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
解题方法
7 . 若函数
定义域内的任意两个实数
,均满足①
,②
,③
.则函数
图象可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffebab8e8ac2b96518ebf38fc2e36609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1536ad7ae6c5df33d5c45539f7dcb43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f96a8924b1c935ad08118a2ee0df922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b2a374ef051a3aadaf5cc2ed055b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知函数
,
.
(1)当
时,求证:
在
上单调递增;
(2)若函数
在
上只有一个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1377433265e8691182b668e403b91f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知函数
,
.
(1)当
时,研究
在
上的单调性;
(2)当
时,
①求证:
;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7c16ecad9b39740d85d4dc99817249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4703ad91f10d67c333d848a16ba4c22f.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20357ca15141f2c003aca449f321c182.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cacebfcabbd4ab279706760af17897d.png)
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解题方法
10 . 函数
的图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc16e428114d8d379b36b63090bd1232.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次