1 . 已知函数
若关于
的方程
恰有5个不同的实数解,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14984fffd988a1b2c95d6b1dfa7d6d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b5d9e54e335043ce6aa611de130327.png)
A.![]() |
B.![]() |
C.![]() |
D.若方程恰有5个不相等的实数解,则实数![]() ![]() |
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2022-11-29更新
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2卷引用:百师联盟2023届高三上学期一轮复习联考(三)(辽宁卷)数学试题
名校
2 . 已知函数
,记函数
(其中
)的4个零点分别为
,
,
,
,且
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dda22547f959d84d327bd9d42f8e1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d344f1f34ccddbf69d7fdd7180e21383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e84dbb03e8c627ff11d5c7aeb0c8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f147b3d6e56ed84c1dee522850e2a0be.png)
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2022-11-24更新
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5卷引用:辽宁省大连市滨城高中联盟2022-2023学年高一上学期期中考试数学试题
名校
解题方法
3 . 已知函数
满足
,函数
是
上单调递增的一次函数,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/f7ec6b68-607b-497c-9621-2b29183835e1.png?resizew=209)
(1)请分别求出函数
与
的解析式;
(2)已知函数
,画出函数
的图像;
(3)若
且
,
,
互不相等时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0cdbf54553f655e42bc68b8db4356b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a7c5d4066648a19b23714e1a908973.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/f7ec6b68-607b-497c-9621-2b29183835e1.png?resizew=209)
(1)请分别求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73a853eaaeebe8ad0fffda3a3e687de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60ed5557fd761626d8b4549b5bb1d70.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/1ae24688d4c45aad43e9af0b7bbfda6b.png)
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名校
4 . 对任意两个实数a,b,定义
,若
,
,下列关于函数
的说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9e0f7fd210c8ebc45692f5be03db7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad8ca0dc9a54c3346d495bb66740b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a5ed61ee16595684717cf82790984a.png)
A.函数![]() | B.方程![]() |
C.函数![]() | D.函数![]() |
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2022-11-17更新
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568次组卷
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6卷引用:辽宁省协作校2022-2023学年高一上学期期中考试数学试题
5 . 已知函数
若方程
有六个不相等的实数根,则实数b可能的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e3209d4a504713dac69eee18d41091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35badeead33e994f1abd5a7b677d076b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 高斯是德国著名数学家,近代数学奠基者之一,享有“数学王子”的称号,他和阿基米德,牛顿被世界公认为数学三大天才,用
表示不超过x的最大整数,我们称
为高斯函数,例如
,
.则关于函数
,下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a090ab1d3413d618f80e175c28d0b04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447edcfb531a10755c19709915f0376e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602c6c52cae281dc7dad9bc7cc07d6bb.png)
A.在区间![]() | B.函数![]() ![]() |
C.最小正周期为1 | D.![]() ![]() |
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7 . 已知定义域为
的函数
的导函数为
,且函数
的部分图象如图所示,则下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/5d6415bf-57a6-4ee4-9eb5-b0c9a87470e7.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13163fbf358d360c0fad2e0f29483f12.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/5d6415bf-57a6-4ee4-9eb5-b0c9a87470e7.png?resizew=168)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() | D.![]() ![]() ![]() |
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2022-10-11更新
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802次组卷
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7卷引用:辽宁省鞍山市2022-2023学年高三上学期期中数学试题
8 . 已知函数
.
(1)若
时,
,求实数
的取值范围;
(2)设
,若方程
有三个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269ccc1c86539c81c326aa3baa26e280.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626d21f09396d90862704dcf2462d885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fd53fb8780a2bd9e451a92c7c92d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbebfab6731e3cb6f9fd5ba9ebab7fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2132fc06797984d043907bb48081a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
9 . 函数
在R内满足
为偶函数,且当
时,
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a69e4906d7a0580f620212687d32b02.png)
,则当
时,方程
所有根的和为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe17821ea81c6fec60bd5273901bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484dc97b78dc6e317a98215e7da57eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a69e4906d7a0580f620212687d32b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33efa89ea265e707bbc3cc7e69b68e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e96a6b630cbc1b8ac993beb5a1fab1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d893cb57ec3daa0d8282ce47e8b8e1.png)
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名校
解题方法
10 . 设函数
的定义域为R,满足
,且当
时,
,则当
时,方程
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fad4b961de8e754422378405d843cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffa2b2fa52272ca3b60a319f6d632d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77070aafabd6cc8b8abe742448a2b163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d880ccdc807a7e27f1d42c8e2eae1b.png)
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2022-08-08更新
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1389次组卷
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3卷引用:辽宁省大连市大连育明高级中学2021-2022学年高一上学期期末数学试题