名校
解题方法
1 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1b70d8169a0264375fb4cc7b85a011.png)
(1)若函数
与
的图象存在公切线,求
的取值范围;
(2)若方程
有两个不同的实根
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1b70d8169a0264375fb4cc7b85a011.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576469e4f51c1ede73f7f0458f504418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03fd662f69ce3e5449c08e00b963194.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,若不等式
的解集为
,且
,且
,则函数
的极小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aba20de1ac5f9afa1601e5f3bf52e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b25f317e13ea8ced145b3b22bc60d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f80f2f75a50e9b81249446e429a8d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0e4e32994c092dacdde5842b7d0497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() | B.![]() | C.0 | D.![]() |
您最近一年使用:0次
名校
3 . 已知函数
.
(1)讨论函数
的单调性;
(2)若关于
的方程
有两个不相等的实数根
,
(i)求实数
的取值范围;
(ii)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b60a9d7e2cffc60990a65d9b645ca8.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795224255225a95de529b1de8aca1a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(i)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb3f4a42fbe4c7c522a707a24b17076.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbca215afda7ce7fbd22fd0928a11a8.png)
A.函数![]() ![]() ![]() | B.函数![]() ![]() |
C.函数![]() | D.函数![]() ![]() |
您最近一年使用:0次
名校
5 . 已知函数
.
(1)求
在
的单调区间:
(2)若对于任意的
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d26891de93f9d45c77a533ead4f1b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af46e7742b81527867de26c973c67b00.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351a282cf4bde27e62660f9a694ef6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
解题方法
6 . 已知函数
.
(1)当
时,讨论函数
的单调性.
(2)若
有两个极值点
.
①求实数
的取值范围;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d844374b17ee68cb3aaecd568c7631b8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4f313e85b97bda207222fa6e82b463.png)
您最近一年使用:0次
2024-05-06更新
|
1136次组卷
|
7卷引用:福建省宁德市福安市第一中学2023-2024学年高二下学期第三次月考数学试题
福建省宁德市福安市第一中学2023-2024学年高二下学期第三次月考数学试题(已下线)2024年普通高等学校招生全国统一考试数学押题卷(五)(已下线)专题2 导数与函数的极值、最值【练】四川省内江市第三中学2024届高三第一次适应性考试数学(理科)试卷天津市新华中学2023-2024学年高三下学期校模数学试卷河北省衡水市第二中学2023-2024学年高二下学期5月学科素养检测(二调)数学试题(已下线)2024年天津高考数学真题变式题16-20
7 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff675ee3434b2efa4dd19e8c57451f96.png)
(1)若
,求
极小值.
(2)讨论函数
的单调性;
(3)若
,
是函数
的两个零点,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff675ee3434b2efa4dd19e8c57451f96.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d02b706dfb1e60e5ba6488558034484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
您最近一年使用:0次
2024-05-04更新
|
384次组卷
|
2卷引用:福建师范大学附属中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
8 . 已知函数
在区间
上单调递增,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26302123b56854983ab7fe4dfef9a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-04更新
|
644次组卷
|
3卷引用:福建师范大学附属中学2023-2024学年高二下学期期中考试数学试卷
名校
9 . 已知函数
,
.
(1)当
时,求
的单调区间;
(2)当
时,记
的极小值点为
.
(ⅰ)证明:
存在唯一零点
;
(ⅱ)求证:
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f385b23c5ed85f350ffa395cd860f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(ⅱ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc0733cb65fb25e9096618fff3348.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697572b42c40f498ed398099c659df1f.png)
您最近一年使用:0次
2024-05-04更新
|
299次组卷
|
2卷引用:福建省厦门第一中学2023-2024学年高二下学期期中考试数学试卷
名校
10 . 一般地,设函数
在区间
上连续,用分点
将区间
分成
个小区间,每个小区间长度为
,在每个小区间
上任取一点
,作和式
.如果
无限接近于
(亦即
)时,上述和式
无限趋近于常数
,那么称该常数
为函数
在区间
上的定积分,记为
.当
时,定积分
的几何意义表示由曲线
,两直线
与
轴所围成的曲边梯形的面积.如果
是区间
上的连续函数,并且
,那么
.
(1)求
;
(2)设函数
.
①若
恒成立,求实数
的取值范围;
②数列
满足
,利用定积分几何意义,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2779faf49c4c603fdb73ef6f03cc8d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9909c1172f1e48d86dd38c8c9728a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78d74528a8974c188d81391d4f158c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3b6ed0cf8753da31759fcdec5e2f4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e827229de8424d07fe1f5d4dfb8b0dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e39890697236d28d4c81e05c255fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a107eb946e0fe41629c644b7628d5cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8930c962e3b094e1ee2a99c8cc44cead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024c4cff71b59cd710d9e69618ed0428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436ff3cf58de28b55f7605675a47d818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4dd421af6cde8dad1ef435eb12cc45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d462ee178d59547f72567d59d8a6d8c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1641f83d00194762e3e5332d2620aed9.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df83a09286eae3c3d4c674065ce07bf8.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f016825fcb10e4819eb3c8af9d5841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598da453256520641a243aba79e072d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c9d14bfa527b5ba538cc3960e9396f.png)
您最近一年使用:0次
2024-05-02更新
|
104次组卷
|
3卷引用:福建省福州市九县(区、市)一中2023-2024学年高二下学期4月期中联考数学试题