名校
1 . 已知函数
.
(1)若曲线
在点
处的切线方程为
,求a,b;
(2)若
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af079e1c79c4f240b3b50a19e8d3b4.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d953b81e41a77c88cc491459f6d829b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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2 . 已知函数
.
(1)当
时,求
在
处的切线方程;
(2)当
时,求
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3d31b1ff6b85a44ff9525706423bf3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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3 . 已知函数
.
(1)当
时.求
在
处的切线方程;
(2)若方程
存两个不等的实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ad477261f1bc0806f0576e237c6fb4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36304ea6666a32973641e4794c285297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
4 . 已知函数
在
处的切线为
轴.
(1)求实数
的值;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6a5d7726fe6c16df9f230cc4954f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec72ca557aa4229ee871628ffcf0d8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78f7b93cc1e59257a15b904ca84983a.png)
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名校
解题方法
5 . 已知函数
,直线
与曲线
,
都相切.
(1)求实数
的值;
(2)记
,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f472deb981bf0d55714fdfdd8a43b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ed86b27f8250f78ca31d5859c15254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990b6dc6b90ee98d5a95e1518bbd61b1.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5b648b3a4cbd6faee5743bec7ae4aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f97306ebc03780c60c20bf14364ab6.png)
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6 . 已知函数
.
(1)求函数
的单调区间;
(2)设
的图象在点
处的切线与
的图象相切,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fc5d14f77099f55ca73e050c3c22b4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知函数
.
(1)若函数
有两个零点,求实数a的取值范围;
(2)已知
,
,
(其中
且
,
,
成等比数列)是曲线
上三个不同的点,判断直线AC与曲线
在点B处的切线能否平行?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc1b193aa193153eb402df8560778e6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c16dac1e9bf5804c8907cbc59014d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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8 . 函数
(
为实数).
(1)若
,判断直线
与
的图象是否相切,并说明理由;
(2)若
恒成立,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72f9c6eb00a9464939e30314e397ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a11f00400053ea4f5ba0891bee723f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 已知
在
处取得极小值
.
(1)求
的解析式;
(2)求
在
处的切线方程;
(3)若方程
有且只有一个实数根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9c2470c624d45fbcc20d18329448c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354c3a283b2b21cc8ac33995aac20a5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dade93e54e462e223ef5c85c70f51842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2024-03-21更新
|
1558次组卷
|
6卷引用:贵州省晴隆县第三中学2023-2024学年高二下学期开学考试数学试题
10 . 定义函数
,其中
.
(1)当
时,求曲线
在点
处的切线方程;
(2)证明:在区间
上,
有且只有两个不同的极值点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dfc40f7f470d3d7cff59fcdd7b5568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20611e8dc649c55a330103553a54f356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b212e0d4339cbd3d236a807547ebf6.png)
(2)证明:在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8c4008d33613ee4a86255f876722ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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