名校
解题方法
1 . 函数
的大致图象可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ff82f258a1dae7ef6f6ab87ef4b4ba.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-01-17更新
|
1281次组卷
|
4卷引用:福建省泉州市2022届高三上学期质量监测(二)数学试题
福建省泉州市2022届高三上学期质量监测(二)数学试题福建省莆田第二中学2022届高三下学期返校考数学试题(已下线)技巧01 单选题和多选题的答题技巧(精讲精练)-3(已下线)专题11 函数的图象-1
解题方法
2 . 对于函数
和
,及区间
,若存在实数
,使得
对任意
恒成立,则称
在区间
上“优于”
.有以下四个结论:
①
在区间
上“优于”
;
②
在区间
上“优于”
;
③
在区间
上“优于”
;
④若
在区间
上“优于”
,则
.
其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7afcf760aa4aff404eae3ad47afac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e0827073b9db1fe6cc638ec404feba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b5326ab91681de1317ab6517baa7e5.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd57ea26ad54a7381754ade671ef1ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ecd9b82656fa92f59cc80c8938e12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4351bd617a7516709fbfdf31dc993c7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf266c400ec9f20afcdb1c76a62c6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7334919736e5ed881f691e4ca738b4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd685585c6c06d17688ae9abbea26ef1.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea1662df10f518728945bffd08a0bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdad8acb5f4d31bfee990bf844b1a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
其中正确的有( )
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2014·上海·二模
名校
3 . 对于函数
,若存在区间
,使得
,则称函数
为“可等域函数”,区间
为函数
的一个“可等域区间”.给出下列4个函数:
①
;②
; ③
; ④
.
其中存在唯一“可等域区间”的“可等域函数”为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4728362b29de88a7a9b5b5d3bf6d894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd1ca0cf68bef34f39b9701f0b56205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94a72c1a0c2801efe9f3bb1a412c21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1439c562a1331c7245f7ad4c70e0b6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de73a16db57317970e8da776b78af9ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda824b37b5420579555fdacece101ec.png)
其中存在唯一“可等域区间”的“可等域函数”为( )
A.①②③ | B.②③ | C.①③ | D.②③④ |
您最近一年使用:0次
2014-04-24更新
|
2238次组卷
|
8卷引用:2015届福建省泉州五中高三模拟考试文科数学试卷
2013·福建泉州·一模
4 . 如图,在棱长为1的正方体
的对角线
上任取一点P,以
为球心,
为半径作一个球.设
,记该球面与正方体表面的交线的长度和为
,则函数
的图象最有可能的是( )
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/c4d90d89ef724dd58a18991d8d3cb93d.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/fe8c3e707c084121af31773c5a7a4f73.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/f408040736064f26bd37ba183112df20.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/a96bef2eb6bf455892a04a4cc0f883f5.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/e6ac5015b88846e9868a85d9e3135930.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/1bb64984febf4249aa3a48c74afb2e4b.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/1194711e88e04849853eb136a20730b4.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/1194711e88e04849853eb136a20730b4.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2013/9/6/1571342527635456/1571342532927488/STEM/c4d90d89ef724dd58a18991d8d3cb93d.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次