名校
1 . 函数
在
处的切线与两坐标轴围成的三角形的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d71f56ef6906bc37ca312051d97d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
792次组卷
|
7卷引用:2017届河南濮阳第一高级中学高三上学期检测二数学(理)试卷
2 . 已知函数
,下面四个结论:①函数
在其定义域上为增函数;②对于任意的
,都有
;③
有且仅有两个零点;④若
在点
处的切线也是
的切线,则
必是
的零点,其中所有正确的结论序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6893d5235c3d397b729bfe08d4cd82a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b231ca5b95cd86b635325a5e07b3ad15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2eff609c6043c2a89a6dd163fe2244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1749587989abbcd70d4d934ce34774df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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3 . 已知
,
.
(1)若函数
的单调递减区间为
,求函数
的图象在点
处的切线方程;
(2)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad897a16e0a8e6336044863e4d55ac07.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1558f07b31af311cafd0d644be113a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b527d52642bd203a4dc991a392cc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-03-30更新
|
806次组卷
|
2卷引用:河南省豫西名校2017-2018学年高二下学期第一次联考数学(文)试题
4 . 已知函数
,则曲线
在点
处的切线方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a31b772f6e175e6487e323aeface5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(Ⅰ)设
,曲线
在点
处的切线在
轴上的截距为
,求
的最小值;
(Ⅱ)若
只有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaba5339e05cc1e001a70d029bd6953a.png)
(Ⅰ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89c33bf8803c80b65d4ebd7746645e7.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-10-22更新
|
352次组卷
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2卷引用:河南省安阳市2019-2020学年高三第一次调研考试数学(文)试题
6 . 已知函数
,曲线
在点
处的切线与直线
垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcadb286de76f02d05aaa5012e5ff444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.-2 | C.0 | D.-1 |
您最近一年使用:0次
7 . 曲线
在点
处的切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50401ab806f61dbecbcf40d017c6d226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
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2017-02-08更新
|
1018次组卷
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8 . 已知函数
,则曲线
在
处的切线方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f952def73bf47ede597c3f9ead78ee98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
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2021-01-17更新
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2卷引用:河南省洛阳市2021届高三四模数学文科试题
9 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若函数
有两个零点
,且
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3715e02089635d89cab4907ac7795d07.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f145075d3ffc3e41e131b1657b84b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a9827f8c7c8a3f00ab69c7c8a713bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2019-04-24更新
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10 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23f8e070fcefdbbee1486008fb6cc10.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd06590156a9bd742484212bdf2f240b.png)
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2018-12-17更新
|
450次组卷
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2卷引用:【市级联考】河南省新乡市2019届高三第一次模拟考试文科数学试题