名校
1 . 已知命题p:函数
在
上单调递减;命题
,都有
.若
为真命题,
为假,则实数a的取值范围为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511abc87c317e991525187595e43ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5c81af39817c57583a0d1c1bebd36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f653afe9922371adc45ecc3ccebd18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-07-15更新
|
690次组卷
|
7卷引用:四川省凉山彝族自治州2021-2022学年高二下学期期末数学(理)试题
2 . 已知命题
直线
过定点
,命题
是直线
与直线
垂直的充要条件,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5818c55ba69b39e884cac10262ddad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64719ff9c1393a15eca25612e3681cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d732dddd18157bdaf4423bc6f4241d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca8d6f332e5a8bd5eb41c342ccc9f08.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次