1 . 若曲线
上到直线
的距离为2的点有4个,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817660ae353a59115069a0db6b487383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 函数
,
,若存在
使得
成立,则整数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328ab30e5cfc2b4490021c9cfe003e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c33f782a17455ce45ca693ac7daf172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a15b08b750e803abcd24b6cf0e6f7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次
2020-11-06更新
|
373次组卷
|
4卷引用:贵州省毕节市2020届高三诊断性考试(三)理科数学试题
贵州省毕节市2020届高三诊断性考试(三)理科数学试题山西省太原五中2021届高三上学期9月段考数学(理)试题(已下线)专题1.1 探索分段函数的图象与性质-玩转压轴题,进军满分之2021高考数学选择题填空题(已下线)卷15-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(北京专用)
3 . 已知函数
.
(1)求函数
的单调区间;
(2)证明:对任意的正整数
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6474f49bcecbe5a6145d24c84d7028.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011bd6d2e094988b395938fd504fc1b9.png)
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解题方法
4 . 已知函数
,
.
(Ⅰ)若函数
在
处的切线垂直于
轴,求函数
的极值;
(Ⅱ)若函数
有两个零点
,
,求实数
的取值范围,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7929318aceb75a6c5741c3b8793b09e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004c0d2a3ede111b1eff3f03edfd5616.png)
您最近一年使用:0次
5 . 已知函数
.
(1)讨论
的导数
的单调性;
(2)若
有两个极值点
,
,求实数
的取值范围,并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9267ff218207a5a0ca1553bc91027bcf.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33770cd4511e0f50f2d959ffd913e97f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004c0d2a3ede111b1eff3f03edfd5616.png)
您最近一年使用:0次
2020-01-07更新
|
1316次组卷
|
2卷引用:贵州省毕节市2019-2020学年高三年级诊断性考试(二)理科数学试题
6 . 已知函数
.
(Ⅰ)求函数
的极值;
(Ⅱ)若关于x的不等式
在
上有解,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aeac3fce5867e014cc10e27b5b9ea12.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b4d04800acca6ef5a8696befee0ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
您最近一年使用:0次