解题方法
1 . 已知函数
(
)是偶函数,且在区间
上是增函数.
(1)试确定实数
的值;
(2)先判断函数
在区间
上的单调性,并用定义证明你的结论;
(3)关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14d3c31139fb74a36ab922fcec65c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
(1)试确定实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)先判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96977a5415357a1b31b00b91b511f884.png)
(3)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa72dc48dbf85e8df904188a9c496024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2 . 已知函数
,且
.
(I)求
;
(II)判断
的奇偶性;
(III)函数
在
上是增函数还是减函数?并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3794200e18edea524ebd1a02b771f881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92db09b87d1636b110c8e15232bef117.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(II)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(III)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16136f93ecf38f592d4b861b9e6333b2.png)
您最近一年使用:0次
2016-12-03更新
|
911次组卷
|
2卷引用:2014-2015学年云南德宏州芒市第一中学高一上学期期末考试数学试卷
12-13高一上·云南玉溪·期末
名校
3 . 已知
.
(I)判断
的奇偶性;
(II)
时,判断
在
上的单调性并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d873fa63ba3930b602468de597769.png)
(I)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(II)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
您最近一年使用:0次