1 . 设函数
.
(1)当
时,讨论函数
的单调性;
(2)设
,记
,当
时,若方程
有两个不相等的实根
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47eb2c32019e4e85bc8b9c67c86fc1c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2125a112d9605aab38be0d98f1fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291db108c9dc0027dcac44444f1880b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec4e25ed220d6ddefca89c13c271f22.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/5120da38792c0c52a5f54cc7912e290f.png)
您最近一年使用:0次
2 . 已知函数
.
(1)设
,试讨论
的单调性;
(2)斜率为
的直线与曲线
交于
两点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d2af0d702d81d8a5cef243da7c6060.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e192f32196fca909580a148b03068ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35115e581c859d8fd22653883ebd35ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097e8d8b72a1988e98cef3e609519f71.png)
您最近一年使用:0次
2022-07-07更新
|
264次组卷
|
2卷引用:四川省乐山市2021-2022学年高二下学期期末考试数学(理)试题
解题方法
3 . 已知函数
.
(1)求函数
的最大值;
(2)斜率为k的直线与曲线
交于
,
两点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceb3fc80072b6bb97249515ae483bef.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)斜率为k的直线与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d0c99ddd028f0bc3b1d64924ff0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad9a4881ebe1a4a566d0fab96d71baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097e8d8b72a1988e98cef3e609519f71.png)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若函数
在
处的切线是
,求
的值;
(2)若
,
是
的极值点,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90fd30802b63d2ff10c7506327c21bb.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bf9fe02df5f03b5c88becb08923455.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)若函数
在
处的切线是
,求
的值;
(2)当
时,讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37f63e7919e53448727ed21eac27481.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-07-03更新
|
349次组卷
|
2卷引用:四川省达州市2021-2022学年高二下学期期末数学(文)试题
名校
6 . 已知函数
,
.
(1)证明不等式:
;
(2)是否存在
,且
,使得
?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e3c2359e83c73d16a7bfd4c0d0d2c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cccda42520a1b0c16d5b27987fc357.png)
(1)证明不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008fc219c5d32b8d33b0f9587144e2ec.png)
(2)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c93ff7c6124b5f6a3acd9a726c9336.png)
您最近一年使用:0次
名校
7 . 已知函数
.
(1)求
的单调区间;
(2)若对任意的
,
,不等式
恒成立,求整数 k的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99ad3f744247a054b276f3006c925a8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e317300514a87fdc7838835014a25bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d29c7d9e93bc76e6c1b6eb92d86d03d.png)
您最近一年使用:0次
2022-07-02更新
|
630次组卷
|
2卷引用:四川省成都市蓉城名校联盟2021-2022学年高二下学期期末联考理科数学试题
名校
8 . 已知函数
.
(1)求
的单调区间;
(2)若对任意的
,不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3209d297b7263a1c385195a9d2882690.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2452a7553a6e172f7f8b5ffa011a11.png)
您最近一年使用:0次
名校
9 . 已知函数
,其图像在
处的切线过点
.
(1)求a的值;
(2)讨论
的单调性:
(3)若
,关于x的不等式
在区间(1,
)上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c480479fdf865b018709d8b2561600d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7091403aaf02acbec2af97a90afcb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7d07b2a20f2fac8d3251e4065e0260.png)
(1)求a的值;
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787311376bad5d20ee2a0325b8f7f952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d22a34224dc28ecfc6c0aa64ce7eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
10 . 已知关于x的函数
与
在区间D上恒有
.
(1)若
,求h(x)的表达式;
(2)若
,求k的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18320524896150a2d5cd223c6eb46182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd724296916f29eeb81a918b1cd1dc4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e94489e14bb478c684476bb3388bd83.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e31603eecd9051598d9bad361c9c12.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bbbd89d1acf6d4ceb001a4e483a5a8.png)
您最近一年使用:0次