1 . 已知关于
的方程
的两个实数根互为相反数.
(1)实数
的值;
(2)关于
的方程
的根均为整数,求出所有满足条件的实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b72a9a0d04005fca9afb348b22172d6.png)
(1)实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da911c57e501669a129e2359a1f5daa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . (1)已知
满足
求
的解析式.
(2)求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee17c3d0d9ca54afcbb2f903d946e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8682d2391af7562e3636daeafed9d784.png)
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3 . 设a、b、c均大于1,满足
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c78b118b638c3bb3f4d90a656a67ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d16ed0d7fd775727b600264c098e73.png)
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名校
4 . 已知函数
,函数
,其中实数
.
(1)当
时,
对
恒成立,求实数
的取值范围;
(2)设
,若不等式
在
上有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e741bf6e6160d08f7e5b2d1aca3318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00dc730e0298900dac723b3546bffa0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb5ab4c16aa7c32dbdca9b5e8c9838a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413a1c16b39e71acf061e7658b5429cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd42e445c94e3e357905a3ce85a6676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06276e102fe430317d585c54d75b4816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 设函数
.
(1)当
时,求
的最小值;
(2)对任意
,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b2a2849cbe8fd7a61cf36a5069e4a7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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2020-11-28更新
|
250次组卷
|
5卷引用:2016届浙江省慈溪中学高三上学期期中理科数学试卷
2016届浙江省慈溪中学高三上学期期中理科数学试卷浙江省“七彩阳光”新高考研究联盟2020-2021学年高二上学期期中联考数学试题(已下线)【新东方】杭州新东方高中数学试卷382(已下线)【新东方】绍兴qw130(已下线)考点60 不等式选讲-备战2021年高考数学(理)一轮复习考点一遍过
6 . 已知集合
,
.
(1)求
;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9283ff35e54dba9e71a73bc700829ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94292cd5bc47c2b619760b7bb7daf42.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5054a3611da708408f0c4790de6ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
7 . 已知函数
的最小值为M.
(1)求M;
(2)若正实数
,
,
满足
,求:
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fc69c21ff43797710c4dc1776f48df.png)
(1)求M;
(2)若正实数
![](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/aaba7863fad4c79a7c3c6aa2d85c28f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1771b8f48a829c9be482a0400b561d.png)
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2019-09-25更新
|
1156次组卷
|
5卷引用:福建省福清华侨中学2018-2019学年高二下学期期末考试数学(理)试题
8 . 对任意正整数
,
,定义函数
满足如下三个条件:
①
;
②
;
③
.
(1)求
和
的值;
(2)求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad01b28c2aa9d86daa50de5a9fe698a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970436d8d9f7cde9d575a06b865401b5.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01949437a6bc62992e75dd83edce858b.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f204e40909db917c5d8afd5c87538d6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c419443119783c21eca0712e8640fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6557f447290815751d520f3da385c730.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad01b28c2aa9d86daa50de5a9fe698a.png)
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9 . 已知集合M是具有下列性质的函数
的全体,存在有序实数对
,使得
对定义域内任意实数x都成立.
(1)判断函数
,
是否属于集合M,并说明理由:
(2)若函数
(
,a、b为常数)具有反函数,且存在实数对
使
,求实数a、b满足的关系式;
(3)若定义域为
的函数
,存在满足条件的实数对
和
,当
时,
值域为
,求当
时函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4044456135922a45ca969370b6d6c190.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3cc66b811ad2395efe04d93b61c711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a768cc949e4d1ca3effaa7f82b2156.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d595e4d10ce569e62ceaf56baa189484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc0e89775b2bb2b85b78a4c54519262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cac663990f61a4a3086c6bea3d51f9.png)
(3)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cac663990f61a4a3086c6bea3d51f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69abe959988e4c8c0739f5857ccfb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853ba60c6694c19887bfe31cd5183923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2019-12-06更新
|
209次组卷
|
3卷引用:上海市七宝中学2018-2019学年高二上学期9月摸底数学试题
名校
10 . 已知
是定义在
上的函数,记
,
的最大值为
.若存在
,满足
,
,
,则称一次函数
是
的“逼近函数”,此时的
称为
在
上的“逼近确界”.
(1)验证
是
,
的“逼近函数”;
(2)已知
,
,
.若
是
的“逼近函数”,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1291ecd1ed0c05219d47f05fb585bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0413d34f2a859f342070dd130fd5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3b73875f5ded5e57738d7575f085b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d165762140e5a5aa5876416df8f1421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc20605ffe450693c9d148ebe4c1346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfa3b19dbc87544ec8e57606cb067d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d8a4cf957865fad1cb648fcd2cbaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
(1)验证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4b0eba587d0af5c665a8f909df5104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a3a31a85f11189d8253c823f82a513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc868a2077000982bd4594d95cfc351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e81d5465bf23d8886f670a57a69f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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