已知函数
在区间
上的最大值是M,最小值是m,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b51aa5a19a47a7b0e69b9a4b3235ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b12260fbfb625b139b19cd471cac8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f511880834175ac4546ea7cc7758b1b0.png)
A.与![]() ![]() | B.与![]() ![]() |
C.与![]() ![]() | D.与![]() ![]() |
更新时间:2021-11-21 22:46:03
|
【知识点】 求二次函数的值域或最值
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】当
,
恒成立,则
的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8160ade472b89421f8009fd0cd3926a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858b5e4197ca3e96051ea9ddc96054cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】若函数
的定义域和值域均为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831c4feb21e54bef872bfb15694e6899.png)
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13cb3e9bc2666664a05cdfd895bdbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831c4feb21e54bef872bfb15694e6899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb242712a2c5303e50c9c8d391c4a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次