名校
解题方法
1 . 若曲线
在点
处的切线过点
,则函数
的单调递减区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2982e2a598b716b0ecb1059aee339c75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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名校
2 . 已知函数
.
(1)求
的单调性;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5221bda7b0dae94172424d2621a726ec.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1890cb93b5fae11660316a406e52aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-09-09更新
|
367次组卷
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4卷引用:陕西省咸阳市武功县2021-2022学年高三上学期开学摸底考试理科数学试题
名校
3 . 已知函数
.
(1)当
时,求
的单调递增区间;
(2)若
与
的图象上恰有两对关于
轴对称的点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e18f3a45c3c47c8dc67c32f21e1c41.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dafd8515bc125bf37368a4c26d5b0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-07-15更新
|
366次组卷
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2卷引用:陕西省汉中市2020-2021学年高二下学期期末文科数学试题
4 . 已知函数
(其中e为自然对数的底数).
(1)求
的单调区间;
(2)若
有两个极值点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12552e1145297e43bb4279a354d7053.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d203a2663704f002842781fb199580a2.png)
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解题方法
5 . 函数
的单调递减区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e2a0821ff678b88aaa5bc807b0038a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-03-27更新
|
331次组卷
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4卷引用:陕西省商洛市洛南中学2020-2021学年高二下学期第一次月考理科数学试题
名校
解题方法
6 . 若函数
在区间
上不是单调函数,则实数k的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f02920b8626402e846c0ab9cfc5934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4e07de3b6cc70460cd31a4f175e57b.png)
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7 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
在
处取得极值,求
的单调区间,以及其最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb5109b97577b5a4c3729a78e4f3b87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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8 . 已知
且
,
且
,
且
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e873578b6b90212323f7f031d544f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbd8808d89bd1f62c3ba1dd81956ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df917c3c0e6447799b7f37e22053a92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2529d445b6feacf46858c9ea7e41a452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37db44400e9014f24815063b49b85524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65923014eb8dc364750bf6533775264.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)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-05-08更新
|
309次组卷
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5卷引用:陕西省渭南市蒲城县2020-2021学年高二下学期期末对抗赛理科数学试题
9 . 已知函数
.
(1)当
时,求
的单调区间;
(2)讨论
的零点的个数,并确定每个零点的取值范围(不要求范围“最小”).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6827f41ee66f5b0733ecd88198cfb7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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|
330次组卷
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2卷引用:陕西省西安市八校2021届高三下学期第三次联考文科数学试题
10 . 已知函数
.
(1)设
是
的极值点,求
的值,并求
的单调区间;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca9c96c86bf08062a566e820d0c627f.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7644e2dba38f507b1cfbf7690a917ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
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