1 . 若对于任意的
都有
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7b6bbe96750629686ccab758c430d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 定义在实数集上的函数
的图象是一条连绵不断的曲线,
,
,且
的最大值为1,最小值为0.
(1)求
与
的值;
(2)求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ef36b8de7d0b8bdc5da0e5b15aa1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb01ca19acadf04e0656bdebcc89f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b68a3f93b8fc57f254884c845be78.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
3 . 在①②两个条件中选择一个,补充在下面问题中.
①设函数
的定义域为
,且对任意
,均有
.
②设函数
的定义域为
,值域为M.集合
,
只有一个元素.
问题:设函数
满足___________.
(1)求函数
的解析式;
(2)点P是函数
图象上的一动点,由点P向y轴及直线
作垂线PA,PB,垂足为A,B,点
,求四边形PACB面积的最小值.
①设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d0a51632e4821be8823927b56ff038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b792991c9c5f75db404bb5f4e6d3b63d.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccacbaeeae0e5eea57370316cefa0c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d0a51632e4821be8823927b56ff038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fc3b4fa3d0f3e426281b7ce1147ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
问题:设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)点P是函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c966320d637cab491c67425ef1338966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ec7f84f716a316ec92d133927666c.png)
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