1 . 已知函数
,若
有两个零点
、
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fbbdea9b60b133fb9107f295884542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d91d046bf64566e0155b514e0fa6784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a93969738a9bb969f40cf587f1d5d5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a415767156945ea8ada9ed3756019fc.png)
您最近一年使用:0次
2 . 已知
为曲线
(
且
)上的两点,分别过
作曲线
的切线交
轴于
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32a1ac8d60bd6a36f93d03b1a5b9164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dc6443eb56e6888df6f46fdcdbb02f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccdc79025ae1fde1b396da96abe19e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32a1ac8d60bd6a36f93d03b1a5b9164.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
(
).
(1)若
在其定义域内单调递增,求实数
的取值范围;
(2)若
,且
有两个极值点
(
),求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65498929575a7f78adfc9793614b08f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c5cfe7befde25029de6cfedef45976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac70ca6d43182ab15ec5b8f0ba5f215a.png)
您最近一年使用:0次
2017-10-21更新
|
1217次组卷
|
4卷引用:河南省洛阳市2018届高三上学期期中考试数学(理)试题
河南省洛阳市2018届高三上学期期中考试数学(理)试题江西省抚州市临川区第一中学2018届高三上学期期中考试数学(文)试题江西省抚州市临川区第一中学2018届高三上学期期中考试数学(理)试题(已下线)【全国百强校】衡水中学2019届高三开学二调考试(数学理)
名校
解题方法
4 . 已知函数
.
(1)若
在其定义域内单调递增,求实数
的取值范围;
(2)若
,且
有两个极值点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3388d99d80cdd75e3b9bab7525d6caca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c5cfe7befde25029de6cfedef45976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e21ac584efecd770c2dd9d2e83803a.png)
您最近一年使用:0次
2017-10-17更新
|
1310次组卷
|
5卷引用:河南省洛阳市2017-2018学年高三期中考试数学(理)试题
5 . 已知函数
为偶函数,当
时,
,且曲线
在点
处的切线方程为
.
(1)求
的值;;
(2)若存在实数
,对任意的
,都有
,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff445c34ae07ff8ccba24d3f9d957aa2.png)
![](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/4c69b73eab525b349c910f9c2836c148.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e314902b6c399338d1f631d5dee36e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70042ef00672e29715d3d3f977595520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
6 . 已知定义在
上的函数
,满足
,且当
时
,若函数
在
上有唯一的零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f546e3fbd1231b800568b4f3424e6124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e717b3a7b292c2d763b1c3b092f645ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afbcc8bb56ba142c0c4a72ad8617e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f546e3fbd1231b800568b4f3424e6124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知定义在
上的可导函数
的导函数为
,满足
,且
为偶函数,
,则不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb18c214f86f4cc9fab1185c6869fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79004e4a4742d45bfef9935187c0660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b88fd6a9d8f205836c6bbdeb1b8f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8739ad9c9abb4199e18fcae8769acb0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-11更新
|
1653次组卷
|
5卷引用:河南省驻马店市上蔡县衡水实验中学2022-2023学年高三上学期期中数学文科试题
8 . 已知函数
在
处的切线方程为
.
(1)求
;
(2)如果函数
仅有一个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80305bd0d2834ba40922ec9bdccc5e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579112725626880/1579112726323200/STEM/9d2380823a354498a252a4bfd9a231d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce93cdf2d3ad0ae99c605dc3f2f275f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)当
时,比较
与1的大小;
(2)当
时,如果函数
仅有一个零点,求实数
的取值范围;
(3)求证:对于一切正整数
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7939cb4bac8d532c6c985ea911c31629.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4232fb8753635ae49af3a1c26803894f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27716788e838bd934952fe13c5e4671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证:对于一切正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181600214a30376fa58599f0712ce167.png)
您最近一年使用:0次
2016-12-13更新
|
1314次组卷
|
2卷引用:2017届河南郑州一中高三理上期中数学试卷