1 . 已知
是函数
的一个零点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679d61c51647f1bbcdc189f063a0a206.png)
A.![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() |
D.直线![]() ![]() |
您最近一年使用:0次
2023-03-03更新
|
768次组卷
|
3卷引用:湖南省湘西州吉首市2023年第二届中小学生教师解题大赛数学试题
2 . 设直线
与曲线
相切于点
,过
且垂直于
的直线分别交
轴,
轴于点
,
,并记点
.下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9893e251abecb144aef9795fddc4854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ec3d75e53b990bc8f9a4622928dd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802156c7f020914ad709eb928d05f833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
A.![]() |
B.![]() ![]() ![]() |
C.存在定点![]() ![]() |
D.存在定点![]() ![]() |
您最近一年使用:0次