名校
1 . 关于函数
有下列结论:
(1)函数
存在最小值但没有最大值;
(2)函数
存在两个零点,且两个零点的和小于1;
(3)函数
存在唯一的极小值点
,且
;
(4)函数
存在唯一的极大值点
,且
.
其中正确的是__________ .(填写所有正确结论的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2db29e99cb06dfd0d9dbdd3a0d387fd.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)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/caae75ee744fa4662f1dc8fbe3995789.png)
(4)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803d4aab3143f9e43d7a024aab305e9.png)
其中正确的是
您最近一年使用:0次
2 . 已知函数
的定义域为
,其导函数为
,且满足
,
,若
,且
.给出以下不等式:
①
;
②
;
③
;
④
.
其中正确的有___________ .(填写所有正确的不等式的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9eca1510647f9b40cf7ce69c3757f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d3e854c20afcc64563d73509d7fec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf81a4a39b4e2df4d05dc3b2fcc28150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d900314efb0e4cacb6e5de945b5397.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9dfcf14375629c84b688a2676dcba1.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4240b3f95b81bb26488fedff54637634.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fa3106f981611b33e2872f5967ffec.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceccfc629ea5bb0d51036eb22fd2ec14.png)
其中正确的有
您最近一年使用:0次
2021-04-04更新
|
904次组卷
|
4卷引用:天一大联考2020-2021学年高中毕业班阶段测试五理科数学试题
2020高三·浙江·专题练习
名校
3 . 已知数列
满足
,
,
,记数列
的前
项和为
,则对任意
,则①数列
单调递增;②
;③
;④
.上述四个结论中正确的是______ .(填写相应的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b705494275d3b95c0c1dfe3eaece3456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675b69f8ebe6f5eefc1f35656ebebc8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fc82353331abee0828dee9b38c08f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b172a5c73a4cf34c3f5964f3c488f89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cb8281971fbc83ba253124037677d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a82fdbc0527dd3b0fbfc129abe9694.png)
您最近一年使用:0次
2020-01-04更新
|
552次组卷
|
3卷引用:【新东方】杭州高三数学试卷262
2009·全国·高考真题
真题
4 . 设函数
在两个极值点
,且
.
(Ⅰ)求
满足的约束条件,并在下面的坐标平面内,画出满足这些条件的点
的区域;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/cf548339-5427-43a1-a916-f0947d4fffc1.png?resizew=251)
(II)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fcf3c4c2c83db35bc5a4a79dad3e543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c3276c2793f5ce135d9563908374c9.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd9675c7c6dd0a2dc1ebbdae3a2e45c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b997d438b450103cc8a7ff4760d794.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/cf548339-5427-43a1-a916-f0947d4fffc1.png?resizew=251)
(II)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10adccfe9bc7e1ee89b98e04bc833038.png)
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