解题方法
1 . 已知定为域为R的函数
满足:
为偶函数,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e356a6e54a669fda721085096c8416db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b568b2cee9ef2a32d2f27305a9104d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca81dd8e6716f5ba65d489cbf5ea4f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7852e7c81e0f97dad6ae5551bf7152f.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
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解题方法
2 . 已知正方形的四个顶点都在函数
图象上,且函数
图象上的点
都满足
,则这样的正方形最多有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec900d7aa8936a387ac469166e2a0d41.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2022-05-12更新
|
1049次组卷
|
3卷引用:陕西省铜川市耀州中学2022届高三下学期热身冲刺考理科数学试题
3 . 设函数
在R上存在导数
,对任意
都有
,且在
上,
,若
,则实数a的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae89197a5bb4a5895de1e0d19f6f960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b536a39baf119df5e962cb49b5222270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6cffa299eea9734507ef3a4ba275d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38cacbc8300eb0cacedf128562b4b5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-03-18更新
|
460次组卷
|
2卷引用:2020届陕西省西安交大附中学南校区高三上学期期中数学(理)试题
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4 . 已知函数f(x)的定义域为(﹣∞,0)∪(0,+∞),f(x)是奇函数,且当x>0时,f(x)=x2﹣x+a,若函数g(x)=f(x)﹣x的零点恰有两个,则实数a的取值范围是
A.a<0 | B.a≤0 | C.a≤1 | D.a≤0或a=1 |
您最近一年使用:0次
2016-12-04更新
|
597次组卷
|
5卷引用:陕西省榆林市神木中学2021届高三三模理科数学试题