名校
1 . 设
导函数
的图象关于直线
对称,且
,其中常数a,
.
Ⅰ
求a,b的值;
Ⅱ
设
,求函数
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38227c9d2a57f8dbe20e7681f1d51b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbef0a1750d3f9a0ac59a7677ec833a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6260ba5ed7580370e7d6c83e04da4916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bea9391c115618bb84a7aa3da8a242d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ac26c669f6fc77eabf109f8a3521c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
您最近一年使用:0次
2019-03-05更新
|
353次组卷
|
2卷引用:【全国百强校】重庆市巴蜀中学2018-2019学年高二上学期开学考试数学(文)试题
名校
解题方法
2 .
设函数f(x)=alnx﹣bx2(x>0).
(1)若函数f(x)在x=1处于直线
相切,求函数f(x)在
上的最大值;
(2)当b=0时,若不等式f(x)≥m+x对所有的a∈[1,
],x∈[1,e2]都成立,求实数m的取值范围.
设函数f(x)=alnx﹣bx2(x>0).
(1)若函数f(x)在x=1处于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb70fdf064b9193e506ca43f4672af56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2652edbf3e17c64f4164d561acf00a.png)
(2)当b=0时,若不等式f(x)≥m+x对所有的a∈[1,
![](https://img.xkw.com/dksih/QBM/2017/6/2/1700117170700288/1701852618088448/STEM/5fb5ac7ba9ba4eea96814b23a8a80481.png?resizew=13)
您最近一年使用:0次
2017-06-04更新
|
1157次组卷
|
2卷引用:重庆市凤鸣山中学2018-2019学年高二下学期期中(理)数学试题
名校
解题方法
3 . 已知函数
(
为常数)与函数
在
处的切线互相平行.
(1)求函数
在
上的最大值和最小值;
(2)求证:函数
的图象总在函数
图象的上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2d4b91e1a2914ecee9376944a410b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c18ea9d563e1194e3e46c6da53ebb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
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4 . 已知函数
.
(1)求此函数
的单调区间;
(2)设
.是否存在直线
(
)与函数
的图象相切?若存在,请求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2a66e2f5282b3b595b68128b227f0f.png)
(1)求此函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5772cf771ac83052aaf7b35e794b52d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,其中
为常数.
(1)当
时,求函数
在
上的值域;
(2)若
,设函数
在(0,1)上的极值点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381621fd61d9b2e68f3a4c412c0021be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ffe0afc6fa9e62ff75d13f656e7cc4.png)
您最近一年使用:0次
名校
6 . 函数
对于任意
,均满足
,
,若存在实数
,
,
,
满足
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc7a40cc540608fac88d9a9efe87473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3b5cbbc87ba57c6599a9eaf2afd86a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b471bac1e666989e162a8bb3744a506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f798d1e0e735d0bffca293946cd1066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b2a01a7a5286dad0f3e2bf00e9f8e6.png)
您最近一年使用:0次
2020-09-06更新
|
218次组卷
|
2卷引用:重庆市忠县中学校2022-2023学年高二下学期第一次月考数学试题
名校
解题方法
7 . 已知函数
,
.
(1)求函数
在点
点处的切线方程;
(2)当
时,求函数
的极值点和极值;
(3)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99302b332b5dcb713e8b6b9e4da7e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c299ada824e1bbbc2abc565f1b19aab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2011·安徽·三模
名校
解题方法
8 . 已知
(1)求
的最小值;
(2)若
在
内恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8706aa7f9054100614e0701a937f190.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d097363c584e458fec39354c3b77ed98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-09-26更新
|
199次组卷
|
4卷引用:重庆市万州纯阳中学校2021-2022学年高二下学期期中数学(D卷)试题
重庆市万州纯阳中学校2021-2022学年高二下学期期中数学(D卷)试题甘肃省平凉市庄浪县第一中学2019-2020学年高二第二学期期中考试数学(文)试题河南省洛阳市第十九中学2021-2022学年高二下学期3月月考理科数学试题(已下线)2012届安徽省师大附中高三第三次模拟考试理科数学试卷
名校
9 . 已知函数
为奇函数.
(1)求
的值;
(2)求函数
在
的最小值;
(3)若函数
在区间
上单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb98bca0f1afea280ecc57fe2be124b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d93cb0b4028769a875b4ae5ff0877cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2018-04-03更新
|
715次组卷
|
2卷引用:重庆市第三十七中学校2020-2021学年高二下学期5月月考数学试题
名校
解题方法
10 . 已知定义在
上的函数
(
),设
的最大值和最小值分别为
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e2271b12e6583e660296c8eade23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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