名校
解题方法
1 . 已知实数a,b,c,d满足
,则当
取得最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b751be741f255248afd1c48b5cb4d8eb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7acc70b6f0aa1c3b9a181abd29800e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e159c8203722a3c50784f7f6e65911e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b751be741f255248afd1c48b5cb4d8eb.png)
您最近一年使用:0次
名校
2 . 已知函数
(
为实常数).
(1)若函数
图象上的动点
到定点
的距离的最小值为
,求实数
的值;
(2)若函数
在区间
上是增函数,试用函数单调性的定义求实数
的取值范围;
(3)设
,若不等式
在
有解,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733edad669ba5d1c9c2d7da0051af509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b378e03d75c73c8ca71f991a8c07729a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e650801ccc7f4f5e4bc1fe38a2f8c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6026ed3aa537915b885ddecada313c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59b52df7d342f357a88ab14b52280ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
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解题方法
3 . 点
在直线
上,若
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd6cff62e10f442822b886e7a3cb316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471640d534d8bf38209e0bbde9a8e9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8539606ddd7ba4fcab8c5e662ce4a5ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d402ae366860dffa5dafaf4c7eb823e.png)
您最近一年使用:0次
2020-06-26更新
|
294次组卷
|
3卷引用:上海市嘉定区第一中学2021-2022学年高一下学期5月月考数学试卷