1 . 已知二次函数
有两个零点
和1,且有最小值
.则
的解析式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
2 . 已知
,
分别是函数
和
的零点,则( )
![](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/b534061f9abe0b07b97fb97daf63a4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d817609ed91ee9e0874bd5253602669.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-17更新
|
107次组卷
|
2卷引用:广东省佛山市H7教育共同体2023-2024学年高一上学期第二次联考数学试题
解题方法
3 . 已知
为常数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f518295800c3ba8fd7f6311a631cba34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78283b543320eac3d94f6fb08f88adb7.png)
(1)若函数
有唯一零点,求函数
的解析式;
(2)求函数
在区间
上的最大值;
(3)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f518295800c3ba8fd7f6311a631cba34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78283b543320eac3d94f6fb08f88adb7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e409849c921f4868c5a78abffb9f74bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9d5fe81e0d18e1f6e9ed57bd38fef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次