1 . 写出一个函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ ,使得
对于任意的
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a3b401023fdd26676b113d89bf3d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
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解题方法
2 . 已知
,其中a,b,c为已知参数,且
.则以下断中正确的有__________ .
①
的图象关于点
成中心对称;
②
可能在
上单调递增;
③
有界:
④方程
的解可能为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df7e1d68908550e001f9bca7f0d3adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c31e2dce47fb93681f14f260e08054e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db95e996d9fac364f3a30bcffe559781.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
④方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f168b6811f1da5f09db1d9984ad8664f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7334991c9a0aa07186aca432658bd2.png)
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名校
3 .
表示不超过x的最大整数,如
,
,
,已知
且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92afd70521122f343a6339171bfb1173.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c1495b6432b96c2ef662e64686a5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed90daa08b15619306e7b8341c115f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91611a101a80da02370cfadace18df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc9099842b79bbeebe9dd1b791559f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92afd70521122f343a6339171bfb1173.png)
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2023-06-06更新
|
502次组卷
|
3卷引用:安徽省淮南第二中学2022-2023学年高一上学期新生入学综合能力测试数学试卷
安徽省淮南第二中学2022-2023学年高一上学期新生入学综合能力测试数学试卷福建省三明第一中学2023-2024学年高一上学期10月月考数学试题(已下线)专题06 函数的概念及其表示压轴题-【常考压轴题】
名校
解题方法
4 . 当自变量
时,函数
(m为常数)的最小值为
,则m的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a417f68c6538bfb63e729c047755b4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885ccaee873aa8c4768b7afe1a3a42ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3354269baaffd727561b0fdd5b0822d6.png)
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5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0020265119452de6af70d7fc0f1b021.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0020265119452de6af70d7fc0f1b021.png)
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6 . 已知
,则
的取值可能是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066825480b1da715f568f57c9840febd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 已知函数
有三个不同的零点,则实数a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524abff585e068c3788b0876d9f4f84c.png)
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解题方法
8 . 已知函数
,若实数m满足
恒成立,则m的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a112f1349c1afc9131026dfed0e3d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee599b1fd02bf470ce3429fe59b26f8b.png)
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解题方法
9 . 设函数
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee5de1836caaba07fecf70eac563588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e223455a5948505b85659c87ba0b451d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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解题方法
10 . 解决问题“求方程
的解”有以下思路:
可变为
,考虑函数
可知,
,且函数
在
上单调递减,所以原方程有唯一解
.类比上述解法,可得不等式
的解集是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c18c032d75893db45e61e6c4eb0d4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cfb1e9557770560280b5248ae2d0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef18670761b20b08d0db1a5f0307e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2197c1c9e5e09713fe45dc1e73edf509.png)
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