1 . 已知函数
.
(1)当
时,讨论函数
的单调性;
(2)设
,当
时,若对任意
,存在
,使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da52b17d491c0e834da6fe9c8b34667.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b3e551ccac533bfb82003a6940f6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87348f632b0064b0e305133c4e149f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb6f90479ab6f0ad3492c923544854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,在点
处的切线方程为
.
(1)求
的值;
(2)已知
,当
时,
恒成立,求实数
的取值范围;
(3)对于在
中的任意一个常数
,是否存在正数
,使得
,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e070869893f728e8228034361e907dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e560b5246bb13e0e6bc15a5913eb879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e84801c624273c969392f5f45c7646.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe9cc5675a4828e99bed679b648064c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786117a6b864d8d73bbca2d6008d53fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)对于在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2b8e8792c64aeac73b5a840e374574.png)
您最近一年使用:0次
2020-10-23更新
|
696次组卷
|
4卷引用:【区级联考】天津市河西区2018-2019学年高三第二学期总复习质量调查(二)数学试题(理)
名校
解题方法
3 . 已知函数
,
,其中
,
是
的一个极值点,且
.
(1)讨论函数
的单调性;
(2)求实数
和a的值;
(3)证明
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7374847b988fe9d400614d62c191f99a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4483b5a70cf1a8f3410a637f7417a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee472f4c364364dca231156703ab291.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02102099e1d5634ad44717ec6a89576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
您最近一年使用:0次
2020-10-18更新
|
1336次组卷
|
16卷引用:2020年普通高考(天津卷)适应性测试数学试题
2020年普通高考(天津卷)适应性测试数学试题(已下线)2020届高三3月第01期(考点03)(文科)-《新题速递·数学》(已下线)2020届高三3月第01期(考点03)(理科)-《新题速递·数学》2020届四川省成都外国语学校高三3月阶段性检测文科数学试题2020届山东省淄博市部分学校高三下学期3月教学质量检测数学试题江苏省徐州市第一中学2019-2020学年高二下学期开学收心检测数学试题2020届陕西省西安中学高三第一次模拟考试数学(理)试题(已下线)第4篇——函数导数及其应用-新高考山东专题汇编江苏省南京市六校联合体2020-2021学年高三上学期暑假学情检测数学试题江苏省南通市2020-2021学年高三上学期期中数学试题江苏省南通市海门市包场高级中学2020-2021学年高三上学期11月阶段检测数学试题江苏省淮安市盱眙中学2020-2021学年高三上学期期中数学试题江苏省南通市海安市曲塘中学2021-2022学年高三上学期期初9月调研测试数学试题江苏省南通市名校2021-2022学年高三上学期9月质量检测数学试题(已下线)第35讲 函数与数列不等式问题-突破2022年新高考数学导数压轴解答题精选精练福建省厦门第一中学2022-2023学年高三上学期期中考试数学试题
名校
解题方法
4 . 已知函数
,(a,b∈R)
(1)当a=﹣1,b=0时,求曲线y=f(x)﹣g(x)在x=1处的切线方程;
(2)当b=0时,若对任意的x∈[1,2],f(x)+g(x)≥0恒成立,求实数a的取值范围;
(3)当a=0,b>0时,若方程f(x)=g(x)有两个不同的实数解x1,x2(x1<x2),求证:x1+x2>2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ae80e459b602132cc8b76a09ec3156.png)
(1)当a=﹣1,b=0时,求曲线y=f(x)﹣g(x)在x=1处的切线方程;
(2)当b=0时,若对任意的x∈[1,2],f(x)+g(x)≥0恒成立,求实数a的取值范围;
(3)当a=0,b>0时,若方程f(x)=g(x)有两个不同的实数解x1,x2(x1<x2),求证:x1+x2>2.
您最近一年使用:0次
2020-10-15更新
|
7447次组卷
|
7卷引用:天津市和平区第一中学2019-2020学年高三上学期10月月考数学试题
天津市和平区第一中学2019-2020学年高三上学期10月月考数学试题天津市南开大学附中2020-2021学年高三上学期第二次月考数学试题(已下线)极值点偏移专题03 不含参数的极值点偏移问题(已下线)极值点偏移专题02 极值点偏移问题判定定理天津市滨海新区2021届高三下学期三模数学试题天津市滨海新区实验中学滨海学校2024届高三上学期期中质量调查数学试题江西省宜春市上高县2024届高三上学期12月月考数学试题
名校
解题方法
5 . 已知函数
(其中
.
(1)当
时,求函数
的图象在
处的切线方程;
(2)若
恒成立,求
的取值范围;
(3)设
,且函数
有极大值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22ddb6757d2e6ad14b2e8d3e1ee3b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5458c75eadcfaab29a123d633bad84b.png)
(1)当
![](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/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfd9e0013f52b266e7b82c457f711d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b66a0a2e93f373887546a8a3d17e71.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8ca8ea93e01e9e0f0c3e4aa5425448.png)
(1)当
时,求函数
在
处的切线方程;
(2)设
,若
在
上单调递增,求实数
的取值范围;
(3)设
,若存在不相等的实数
,
,使得
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8ca8ea93e01e9e0f0c3e4aa5425448.png)
(1)当
![](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/a9c81965854dbe52a513241f196edf2c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14423a12f7f8d3125da44cd9be25036b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04f5684d862b1be1f8883838fa93b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1dcdfce4e67213937b00a44b0c8412.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/2492d486aef92677bc4d9c88c28b6845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38b06319904c858b4e36f4731cfee6d.png)
您最近一年使用:0次
2020-08-10更新
|
710次组卷
|
2卷引用:江苏省泰州市2019-2020学年高二下学期期末数学试题
名校
7 . 已知函数
,其中
.
(1)求
的单调区间;
(2)当
时,斜率为
的直线
与函数
的图象交于两点
,
,其中
,证明:
;
(3)是否存在
,使得
对任意
恒成立?若存在,请求出
的最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dabcf7a3680e9a046f0fd32c077ddfe.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17393f79a53100a65be2579a8f0162b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-07-27更新
|
1300次组卷
|
7卷引用:天津市南开中学2021届高三(上)第一次月考数学试题
8 . 已知函数
,其中
.
(Ⅰ)若曲线
在点
处的切线方程为
,其中
是自然对数的底数,求
的值:
(Ⅱ)若函数
是
内的减函数,求正数
的取值范围;
(Ⅲ)若方程
无实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e495165a77634ccb58af50f37cba3a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ffeb2e82278491407c85dc15eb7df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66aeff59d357e109422434b58f3e4895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7a4a037a4dfe973f1eb683d93d799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅲ)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知函数
,其中
.
(1)当
时,求函数
在
处的切线方程;
(2)记函数
的导函数是
,若不等式
对任意的实数
恒成立,求实数
的取值范围;
(3)设函数
,
是函数
的导函数,若函数
存在两个极值点
,
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29bda2de6ef459d15fd985a40fa06dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.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)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b80ac2ae6e19602a6865afa149e310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c323d762132cd895558d70ab38d397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51350a90203fcdc2d500a89061b7f52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](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/59b367d2d87d278576865ca293325ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-15更新
|
1126次组卷
|
8卷引用:【校级联考】天津市蓟州等部分区2019届高三上学期期末联考数学(理)试题
名校
10 . 已知函数
(1)判断函数
在
上的单调性
(2)若
恒成立,求整数
的最大值
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f1103133251d684b999585ac68225d.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd43ecbc45a86a0418e472e8aeb71377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c31de7a099ec42735bda35736394432.png)
您最近一年使用:0次
2019-10-21更新
|
1209次组卷
|
4卷引用:山东省莱州市第一中学2019-2020学年高三10月月考数学试题