解题方法
1 . 已知函数
(其中
为实数).
(1)若曲线
在点
处的切线方程为
,求a,b的值;
(2)当
时,若
恒成立,求实数k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6df798b2c4fd1656dcc72d6697c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/ff402ceab1882bf02ff10253b869e6ef.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53ea77f7ae7a0a3521988ca05302b82.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)当a=2时,求曲线f(x)在点
处的切线方程;
(2)若关于x的不等式
在[1,+∞)上有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d659c96c430f95651cb802e0010bcfc5.png)
(1)当a=2时,求曲线f(x)在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23ad5b0a0b62edc33467796385a6892.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)求
在点
处的切线方程;
(2)若方程
有两个实根
,且
,证明;
时,
.(注∶e为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a26f3341c78d51f60a5ac57eeaa5a1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c36300180be6ee56f4345157fa723a.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bdd632a4ac64e56262d92a0593ffcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132f835c340c2aa56a61e6c50c9f3fd2.png)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
求证:当
时,
;
(3)若对任意的实数
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046398d7f486c9229f22be479f18ccc9.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/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(3)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedcea90812f2ea1f4e08b7e6baf4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
5 . 已知函数
,其中
.
(1)若曲线
在
处的切线与直线
平行,求a的值.
(2)若函数
在定义域内单调递减,求a的取值范围.
(3)若不等式
对
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6aa7c01df41e4ac8983494de378658a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c21ab40ef86e0f4c996da62ecbbef7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c6c9feb4963534e06d9afde738ccb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若
为函数
的极小值点,求
的取值范围;
(3)曲线
是否存在两个不同的点关于y轴对称,若存在,请给出这两个点的坐标及此时
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a303dd9dc0599afe548805fdc16cb237.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-06-01更新
|
1103次组卷
|
4卷引用:北京市育英学校2021届高三考前统一练习数学试题
北京市育英学校2021届高三考前统一练习数学试题(已下线)第五章 一元函数的导数及其应用(能力测评卷)-2020-2021学年高二数学单元复习(人教A版2019选择性必修第二册)北京市首都师范大学附属中学2022届高三下学期练习数学试题北京市海淀区北京一零一中2023-2024学年高二下学期期中考试数学试题
名校
解题方法
7 . 已知
,其中
且
.
(1)若
,曲线
在点
处的切线为
,求直线
斜率的取值范围:
(2)若
在区间
有唯一极值点
,
①求
的取值范围;
②用
表示
的最小值.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113b06c03e8bc6eec48d153ca170b2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3e81f557e5bf78954b84dec74c0de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661249bf6499017f9e5e03db3fcd93d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddf9809129b68d725a8c74de5e1c311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e515c80daf34fff5923cd86142398bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4653407012fbf6a8ffd21b94d4e0d7e7.png)
您最近一年使用:0次
2021-05-13更新
|
1413次组卷
|
4卷引用:山东省日照市2021届高三第二次模拟考试数学试题
山东省日照市2021届高三第二次模拟考试数学试题(已下线)专题13 用导数研究函数(难点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)第15讲 max函数与min函数问题-2022年新高考数学二轮专题突破精练上海市育才中学2023届高三上学期期中数学试题
名校
8 . 已知函数
,其中
.
(1)当
时,求曲线
在点
处的切线方程;
(2)判断函数
是否存在极值,若存在,请判断是极大值还是极小值;若不存在,说明理由;
(3)讨论函数
在
上零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a0bba7db5b38948ee3f8200e5b6e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d0588454ec8b64bf86578fb90b39e2.png)
(1)当
![](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/b40fb8083dee4195745aae9a3f5b21b1.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e491151109a22b53131ba3203da29837.png)
您最近一年使用:0次
9 . 已知函数
,
.
(Ⅰ)若直线
与曲线
相切,求
的值;
(Ⅱ)若
存在两个极值点
,
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7914472f2c60b4e94353fdb3c596fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f115267b798fca15b18a3bf7d4038112.png)
(Ⅰ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc68f6f574dc65918e07747abbc3b348.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.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/96be0076282d5a9f108d3364f10a0788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知函数
,
(1)若直线
与曲线
相切,求
的值.
(2)当
时,求证:当
时,
恒成立.
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d15d72bf7aebc853c50223b88ef106.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b0a477999843a9463112c5327ddda2.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c0309456de2cd6420ece4fbc5eeddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e76dc56779402562bf991f546d345b2.png)
您最近一年使用:0次