已知函数
,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____ 时,
的最小值为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e6fd5f110c04a29622b429dd961db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2021-07-26 14:19:43
|
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】已知函数
为定义在R上的偶函数,当
时,
,
,则不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4848b57ee37ee9649b6c97dde28f950a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef60e5d4f3b49a3c6e2507e8998439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56840e68440b755a63197282f1f7b79.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】定义在
上的函数
满足:
有
成立且
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca461d80b89eabdb184c2e90383e265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a69d687de3fe9a82fe82eaf1dc00f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d4e3af8e7e39c602ff14a86207ac5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377cc3b5c4d4741d8c7db74e99a12fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a11be6fb79a13a683bd930406c20f5.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐3】定义在
上的偶函数
的导函数满足
,且
,若
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770f35b8dae2da2528c0961c4886ce20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a903ab64875b64622fd0dfc8d248a828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bfef3f31ee8b3cfba9ff184e826ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f88baa414c8b4a16a46234b7b1d874d.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】对于函数
(其中
是自然对数的底数),若存在实数
使得
在
上恒成立,则称函数
具有性质“
”.给出下列函数:①
②
;③
;④
.其中具有性质“
”的所有函数的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d65c970cec39d44e748869073323e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff5a8f648d375cc6ccf6649cab698c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67300207553ae70b997bde84ca730cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06bdfcec5f918d3e20d3eae62d90f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1582e9d437ddf096b90257714a250a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df02a8a1729710179010ad207a0c4bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5efb08b1d5ca9b3c3bd0c9ae6bae134c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7956306d4e6ca2b60af7b563787067d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3797e913d55e1223052b46ddf59a3b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7763650c129e09da6252cc508bc4218d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df02a8a1729710179010ad207a0c4bd6.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数f(x)=
,若f(x1)+f(x2)=1,则x1+x2的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b27e615a3422c1fcd410f539d58bdd.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐3】已知
,
,对于
时都有
恒成立,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb86246c68e8c835d083e0d5614e875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae8030e54ca8d7dd44d9ce3e92dfb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52805938232a4b74d8b483bb68288c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次