名校
1 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30f60c8af51938333c46924bec89d1.png)
(1)若曲线
与曲线
在它们的公共点处且有公共切线,求
的值;
(2)若存在实数
使不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d5ec5d686b88f3558ead72001563cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30f60c8af51938333c46924bec89d1.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5905cfcc5af4b01d63237486eb6d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 已知函数
,在下列命题中,其中正确命题的序号是_________ .
(1)曲线
必存在一条与
轴平行的切线;
(2)函数
有且仅有一个极大值,没有极小值;
(3)若方程
有两个不同的实根,则
的取值范围是
;
(4)对任意的
,不等式
恒成立;
(5)若
,则
,可以使不等式
的解集恰为
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab0b80ec509aa5b39b2e6afc813c1e3.png)
(1)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9c6e8adb2580204c195e2321f91895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60852c3e67a737aeb2979130a125e9c9.png)
(4)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64831d66b64c0125dbc386ffc7744fb.png)
(5)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f9af438458d89c88ba7071afe654ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1da576d803aede2bd2306a70d1189a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1312d640aa773779a34e9d50791ef5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d21e8c00e2bbbd848c35e007552b64.png)
您最近一年使用:0次
2017-08-22更新
|
773次组卷
|
4卷引用:【校级联考】湖北省郧阳中学、恩施高中、随州二中三校2018-2019学年高二下学期期中考试数学(理)试题