1 . 已知函数
(
),它的图象的一条对称轴是直线x
.
(1)求
的值及函数
的递增区间;
(2)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e1df15aec5b2220a939bf5c2b23163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a297d9b18487cde772be5c7d2676b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29da2ff555fdd99fb6e683d58237a892.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73387a4ccf38c8da46b698b2a8a98152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318866029f50c8b78bbbbc85df4a942d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
您最近一年使用:0次
2020-06-12更新
|
194次组卷
|
2卷引用:贵州省金沙县第五中学2022-2023学年高一下学期第一次月考数学试题
11-12高一下·湖南株洲·期中
2 . 在下列四个命题中:
①函数
的定义域是
;
②已知
,且
,则
的取值集合是
;
③函数
的图象关于直线
对称,则
的值等于
;
③函数
的最小值为
.
把你认为正确的命题的序号都填在横线上____________________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2876ebbf0b6fe8377176f412c843645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a24688974d0e8f6516894c70a631d9.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c1fc049a87888752174ddea4187c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6827cfe903f7acd5e0f5521ab27afcbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ff0c4ad78c27b7ee31ab40a40089.png)
③函数
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939321606144/1572939327242240/STEM/5ceb1b7e6a6343599b6ae8c5102670ce.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feed53a8c562448cdf8ab1534cc4c8ef.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939321606144/1572939327242240/STEM/2d8d8aa31a97446caebf5bed9fd4adb2.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939321606144/1572939327242240/STEM/d7ba0bbce378458381d3de86f68ac66a.png?resizew=21)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f97c89b747c41611d35f29d1347f8e3.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572939321606144/1572939327242240/STEM/d7ba0bbce378458381d3de86f68ac66a.png?resizew=21)
把你认为正确的命题的序号都填在横线上
您最近一年使用:0次
名校
3 . 已知函数
在
上单调.
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12127664a2b33675602275cfce075879.png)
①写出
的一个对称中心;
②求
的值.
(2)若
在
上恰有3个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321d7c14d11ad1d72fe704b93cbe878e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ec440191e19ee3902e555c4816096a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12127664a2b33675602275cfce075879.png)
①写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57d02269f97ea73ebe6a9d756d3450a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次