解题方法
1 . 已知函数
,
.
(1)求
的值;
(2)试求出函数
的定义域,并判断该函数的单调性与奇偶性;(判断函数的单调性不必给出证明.)
(3)若函数
,且对
,
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bc58d3cfb073531c316da0f4de5556.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2acbb02f0dad4f3f3f2be617e8aaa6.png)
(2)试求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02d492d386b32e04feb3c9aad3b792d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb7bb34b5f4d32fc07b47752fa171d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1894e4d58cd15c5058b1adfa90f1c1e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73dd51ec5282dcb7062203ac2ff6edc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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11-12高一·福建漳州·期中
名校
2 . 设函数
的定义域为
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edc0179d66b8c7d490a24d60ee0f7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed8a14bf0b65e82e33c1510c643816e.png)
(1)若,求t的取值范围;
(2)求y=f(x)的最大值与最小值,并求出最值时对应的x的值.
您最近一年使用:0次
2018-11-18更新
|
811次组卷
|
5卷引用:2011-2012学年福建省漳州市芗城中学高一期中考试数学
名校
解题方法
3 . 已知函数
是
的反函数,当
时,函数
,(
)的最小值为
.
(1)求
的函数表达式;
(2)是否存在实数
,使得函数
的定义域为
,值域为
,若存在求出
、
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf7675fc49cbdf3611ac547d85c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817d749359e1adc9604ef240f2e85ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835b26a1695f5525d72ca490c99de10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de161654302cb9e2328edcebd44f8fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299c75c032f9b222bf4b7ddbe061919e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0d9829e0f5f313d8a0a705c4d5879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09112144a4a243b90b3178ee9959661f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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