名校
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640df55151cf9d00b429f8c0189fac90.png)
(1)当
时,求函数
在
处的切线方程;
(2)当
时,求函数
的单调区间;
(3)当
时,若
存在极值点
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640df55151cf9d00b429f8c0189fac90.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/9b384412acba251d87902ab928902f16.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd11e3b216a0d73c1f12651871afbb7.png)
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2 . 已知函数
.
(1)讨论
的导函数
零点的个数;
(2)若函数
存在最小值,证明:
的最小值不大于0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93cf0ccdc89b40943ea286ceb27f8a7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2019-09-12更新
|
357次组卷
|
2卷引用:陕西省商洛市2018-2019学年高二下学期期末数学(理)试题
名校
解题方法
3 . 已知函数
,其中
是自然对数的底数,
.
(1)若函数
为
上的单调增函数,求m的取值范围;
(2)对任意的
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712643c26ad999fa1552021f3d2e7ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(2)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63478e7cf55bad51bbd4ce1e23363e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163429e642a6bf222da59162a135ac6e.png)
您最近一年使用:0次
2020-04-03更新
|
267次组卷
|
3卷引用:陕西省西安市长安区第一中学2017-2018学年高三下学期第十五次质量检测数学(理)试题
名校
4 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88157193a717c6028e071f82379a36fa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
您最近一年使用:0次
2017-03-22更新
|
927次组卷
|
3卷引用:2017届陕西省咸阳市高三二模考试数学(文)试卷
5 . 已知函数
,设
是
导函数.
(1)求
在
处的切线方程;
(2)求
在区间
上的单调区间;
(3)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b92e1dd853508d52488b3b88708de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ba73ad9ae3aeec05e7cb208737874f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc2bdb59e9ae1821bd48e7395474d8.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)求
的单调区间;
(2)证明:
(其中e是自然对数的底数,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab1483cec4365ab97d91969b7c39b7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413db8f57cf9cb915cdfad9c6fb0f9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2beb22b735da7cb8054dd722450632f5.png)
您最近一年使用:0次
2020-12-26更新
|
208次组卷
|
2卷引用:陕西省西安市西安高新第一中学分校2022-2023学年高三上学期期中文科数学试题
解题方法
7 . 已知函数
.
(1)若曲线
存在一条切线与直线
垂直,求这条切线的方程.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700e5cd126f724eda0fc0ffb676af28c.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2677ee31cbe2818b6d715362a5fe4.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782b936ab562c5a1f5d076bd265040f1.png)
您最近一年使用:0次
2020-12-16更新
|
229次组卷
|
2卷引用:陕西省部分重点高中2020-2021学年高三上学期12月联考文科数学试题
解题方法
8 . 已知函数
.
(1)当
时,证明:
.
(2)当
时,若
在
上为增函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37326fa57ec06607a3e2e0c7d316bb7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42acea836df9ca7c237b52df778c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89499040c468c8aed6f7cad0c09a2ef1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e31cd64ffdc1c1e2f2728f7de59bc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfaecd216156a20f80229dd48a10c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知函数
,
,其中
为常数.
(1)若
在
上是增函数,求
的取值范围;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22099f9a8fb252e06e8dc5a17c1ab1fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dd703f20cea76efd06457cefbd9722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dd703f20cea76efd06457cefbd9722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddb994bec4cb47b3a21119a99586ee3.png)
您最近一年使用:0次
2021-03-22更新
|
140次组卷
|
2卷引用:陕西省宝鸡市千阳中学2021届高三下学期第九次模拟考试文科数学试题
解题方法
10 . 已知函数
(
).
(1)求函数
的极值;
(2)当
时,若函数
有两个极值点
,
且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b77eb830e12ca7d692c85cf4a3e3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47d8b00d376778c6423b36134d7d7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811a676d746fcae89906d8e187a064cd.png)
您最近一年使用:0次