名校
1 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求实数
的值,并证明:对
,
恒成立.
(2)设函数
,试判断函数
在
上零点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e643a973cc6912a32b96d1893e54ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96cc2abd23e9e9b92fbf52bc335a5bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e601d5f49a28dd69ed4e6fa1bab251.png)
您最近一年使用:0次
2021-05-14更新
|
1209次组卷
|
8卷引用:重庆市酉阳土家族苗族自治县第三中学校2021届高三数学考前猜题卷试题
重庆市酉阳土家族苗族自治县第三中学校2021届高三数学考前猜题卷试题辽宁省朝阳市2021届高三一模数学试题(已下线)专题4.13—导数大题(零点个数问题2)-2022届高三数学一轮复习精讲精练(已下线)预测10 导数的综合应用-【临门一脚】2021年高考数学(理)三轮冲刺过关(已下线)预测10 导数的综合应用-【临门一脚】2021年高考数学(文)三轮冲刺过关甘肃省武威市武威六中2020-2021学年高三第十次诊断考试数学(理)试题陕西省渭南市瑞泉中学2022-2023学年高三上学期第二次教学质量检测理科数学试题福建省连城县第一中学2022-2023学年高二下学期3月月考数学试题
名校
解题方法
2 . 已知函数
,
,
.
(1)若函数
在
处的切线与
的图象相切,求
的值;
(2)当
时,记函数
的最小值为 r.
①求证:
;
②求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7c4adef3485e8ac6e50d1926365327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6076528c51f65d3fa136ff15185ccbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192099758b5e10bff9df9b5ec8fb273f.png)
②求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee56d2d0f478fd9261f5545ff9c8804.png)
您最近一年使用:0次
名校
3 . 设函数
,(
).
(1)若
,求函数
在点
处的切线方程;
(2)若
时,函数
的最小值为
,求实数
的取值范围;
(3)试判断
的零点个数,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9d8fa8518c46abf0d1948b42d48fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2846d0a4765dd7f500956eac66e20b3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befa604ab2e23a0b1fbc1e364e95e27a.png)
您最近一年使用:0次
2021-07-15更新
|
933次组卷
|
3卷引用:重庆市朝阳中学2022届高三上学期开学考试数学试题
4 . 已知函数
.
(Ⅰ)当
时,求
在
处的切线方程;
(Ⅱ)令
,若对任意的
,函数
在区间
上单调递增恒成立,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b17454a7af1b3746d61ca02bda99d1.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(Ⅱ)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec446d4d80c8e298eb6621d5b31b9c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafab1833a0a4d7b96d9c1a6cf1a391f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d8990c780027fdb5096f9ad8fa94ed.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,
.
(1)若曲线
在点
处的切线方程为
,求
;
(2)若
,
的极大值大于
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ae61c348a2acfd9e391ea94a8a9fef.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/ea59cee971344ed593ff082a65d177c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7f2edd1e2cbf792fbc6643519869eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f777edb2a9ca0d55927f9f2b67e2139f.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
在
处的切线方程为
.
(1)求实数
、
的值;
(2)设
,若
有两个极值点
、
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4607fb4254cc73fee843fca8eaad6da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0947dc8f5ba116aaf3239d66adc7474.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71120efe9b911f7545479e73cba4786.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/bab283ee1ece662cbbc56ba325b8daa3.png)
您最近一年使用:0次
2020-09-20更新
|
262次组卷
|
2卷引用:重庆市第七中学2019-2020学年高二下学期6月月考数学试题
名校
7 . 已知函数
.
(1)求曲线
在
处的切线方程
,并证明:
;
(2)当
时,方程
有两个不同的实数根
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f58765d962b5d189152a3ef0aadede.png)
(1)求曲线
![](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/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b90551ed750a9e91f39d9b5079d9fef.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508842634e34a13113dcdef5880450f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c9aececfe6a36628c8806367ef1154.png)
您最近一年使用:0次
2020-09-20更新
|
3496次组卷
|
3卷引用:重庆市南开中学2020届高三下学期第九次教学质量检测数学(理)试题
名校
8 . 设函数
.
(1)求函数
在
处的切线方程;
(2)设
,求证:
在
上恒成立
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1def0f0efe3571bd6eab29fc51d47680.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1215d01764a3b041d2f4497806da95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8279af51c43ce349bec78213eb5a9b.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,曲线
在点
处切线与直线
垂直.
(1)试比较
与
的大小,并说明理由;
(2)若函数
有两个不同的零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d98acf1c87424c5ee5b7600de23f927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff5ccd7a2aeb75b46df3742f05ef71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaaf6d23481ebeec15785baa039071.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee32b8cf83ee69d1c143c7fc2584113f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9aad18955378bdf9652bfbe3d5172ae.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b9f57d3634f8337f1414f8a2a2dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc648975a81691561ecda5c8d017eafb.png)
您最近一年使用:0次
名校
10 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设函数
,其中
.证明:
的图象在
图象的下方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62e461a296a37aacc0b51e82f45d617.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c887da0c850acf41ab249cc262ae39.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4629b6327f7b8db43eadd7a1300f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2020-08-04更新
|
296次组卷
|
3卷引用:重庆市云阳江口中学校2019-2020学年高三下学期第一次月考数学(文)试题
重庆市云阳江口中学校2019-2020学年高三下学期第一次月考数学(文)试题(已下线)专题03 导数及其应用——2020年高考真题和模拟题文科数学分项汇编西藏林芝市第二高级中学2021届高三上学期第四次月考数学(理)试题