12-13高二上·福建南平·期末
1 . 已知函数
在(-∞,0)上是减函数,在(0,1)上是增函数,函数
在R上有三个零点,且1是其中一个零点.
(1)求
的值;
(2)求
的取值范围;
(3)设
,且
的解集为(-∞,1),求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b0e4aefa0b2fd39706e8edb5d5a8bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d23c80f11dcb3f7537c88cbd76a1267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
11-12高二下·广东惠州·阶段练习
解题方法
2 . 已知函数
,且
.
(1)若
在
处取得极小值
,求函数
的单调区间;
(2)令
,若
的解集为
,且满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d9b521e0122b9aeecd5fdcb1a7d6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3503b5dba726f35cdea45142bc88fd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0e3df7ec76a64c3144acddf855077e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679353e656a54993c041ebd39ec7b31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74eb8a7738402df52d4a97262b85ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0e3df7ec76a64c3144acddf855077e.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9e922ee584a928acfcf19658ae519d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149e9a0e4d5ac2c3e82a16f0ab06809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5849553d38ab59a74c94d3e9307d58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95358717841874f91bca7f938da6592.png)
您最近一年使用:0次
名校
3 . 已知函数
,则下列说法正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4a918bb38ac075acd36c60a7225499.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-06-03更新
|
229次组卷
|
2卷引用:湖北省云学名校联盟2023-2024学年高二下学期5月联考数学试题A卷