名校
解题方法
1 . (多选)已知函数
,其中
,
为某确定常数,运用二分法研究函数
的零点时,若第一次经计算
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca1880704d11fe006b790f3038ada3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad3d4c49a33412689dde1a84191ae7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
A.可以确定![]() ![]() ![]() |
B.第二次应计算![]() ![]() ![]() |
C.第二次应计算![]() ![]() ![]() |
D.第二次应计算![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 函数
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f352f669176075cb3f77df2df6ad93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c8e5cc227bee7bb3a52c93408959ad.png)
A.![]() ![]() | B.不等式![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-12-20更新
|
1279次组卷
|
7卷引用:辽宁省沈阳市实验中学2023-2024学年高一上学期期中数学试题
3 . 已知
,
,
都是定义在
上的函数,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f6cdac64a865562066ee578803b81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15da1fa2f526340c9b446e0dc93788a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8ed22724ecc2a67047a1ec5287b93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7c2000270d194d661f3277acd6301f.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 设定义域为
的函数
对于任意
满足
.
(1)证明:
为奇函数;
(2)设
,若
有三个零点
,且存在
使
在
单调递增.
(i)证明:
;
(ii)当
时,证明:
.
![](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/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da2fc2776b9bd3ca892a948c1f12328.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcee20976de0e0e8c1ccd7a951674691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232b70999dc9b6a0715ceda7a9af714e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c1b65aeb39a227cea5dfc41358d41d.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
(ii)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3916e25d592d36e90fe4f35be72c43c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651513be86db081d8fd552851502e55f.png)
您最近一年使用:0次
解题方法
5 . 定义域为
的奇函数
在区间
上为减函数,且在
上
的最大值为9,最小值为
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae864180d913270e83ad374ec8d60be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae864180d913270e83ad374ec8d60be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
A.函数![]() ![]() | B.函数![]() ![]() |
C.函数![]() | D.函数![]() |
您最近一年使用:0次