已知函数
,若对任意x∈R,都有
,且
,则当
时,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec975b3bf0cce58d6a2a3a8dd6be5348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c879f7098e2fdfeb2b22976bf2cad89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66dd6deb4e6a040160c69b58e09af67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6283166f874ed2823ac7b8be04507870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
更新时间:2024-05-26 10:28:45
|
相似题推荐
填空题-单空题
|
较难
(0.4)
名校
解题方法
【推荐1】如图,某城市准备在由
和以
为直角顶点的等腰直角三角形
区域内修建公园,其中
是一条观赏道路,已知
,
,则观赏道路
长度的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/2021/5/18/2723894611755008/2723923327590400/STEM/a3b32f3479554dc0acf249789cd327b2.png?resizew=229)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐2】已知
(
,
为常数
,
)的展开式中不含字母
的项的系数和为243,则函数
,
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299fa44fb2364681be62267fd9254812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d380b9d9c9b12086a28dcace4970bf53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ba2858dab545a059baa68db8249b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ea1f6de565aaf1c349eadf619abb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
名校
【推荐1】已知
,若函数
的图像如图所示,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abb5f883c25c47686964763979dbfd3.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abb5f883c25c47686964763979dbfd3.png)
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720719808782336/2801081348661248/STEM/9213a28f-bf69-4e09-a927-a564a9e76d2a.png?resizew=413)
您最近一年使用:0次
填空题-双空题
|
较难
(0.4)
【推荐2】摩天轮是一种大型转轮状的机械建筑设施,某摩天轮最高点距离地面高度128米,转盘直径为120米,设置有48个座舱,开启后按逆时针方向匀速旋转,游客在座舱转到距离地面最近的位置进舱,转一周需要30分钟.若游客甲坐上摩天轮的座舱,开始旋转
分钟后距离地面的高度为
米,则
关于
的函数解析式为___________ ;若游客甲在
,
时刻距离地面的高度相等,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43409a358dca98d58b8dcc28d84e50.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
名校
【推荐1】在
中,内角
,
,
的对边分别为
,
,
.
的面积
,若
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b337bdf79ae2604891d1a10bccbe2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d8fa76694de294827d8e8334c1383f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72511f149a1b13af02d0e1421d3a63a5.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
名校
【推荐2】在平面直角坐标系
中,
为两个定点,动点
在直线
上,动点
满足
,则
的最小值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6346906fc76e1545bd35138711768f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e1d143eeb43d666c5d7b2d5b01e02f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6adbd66e367b29cee5b5b05412e069.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐3】已知
,若
在
内恰有两个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885678ce9788abee4f221624f67d8754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956d6da85461ea10a9aa998921a64ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次