1 . 设函数
.
(1)若
,解不等式
;
(2)若
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d66c74b5a01f582735a43d39eadc31.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
您最近一年使用:0次
2020-02-21更新
|
222次组卷
|
2卷引用:重庆市重庆外国语学校2018-2019学年高一下学期期中数学试题
2 . 已知
.
(1)当
时,解不等式
;
(2)若
,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c35b47c51d5bbaee8cffd48f1a5ad.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
您最近一年使用:0次
2019-12-30更新
|
331次组卷
|
4卷引用:2014-2015学年重庆市部分区县高一下学期期末联考数学试卷
名校
3 . 化简求值,需要写出计算过程.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bdf0108ea0fe0b2ccc66b3a8a5f2430.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb9b85997fa24a6cb39107082c40262.png)
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名校
4 . 传承传统文化再掀热潮,央视科教频道以诗词知识竞赛为主的《中国诗词大会》火爆荧屏,将中学组和大学组的参赛选手按成绩分为优秀、良好、一般三个等级,随机从中抽取了100名选手进行调查,下面是根据调查结果绘制的选手等级人数的条形图.
(1)若将一般等级和良好等级合称为合格等级,根据已知条件完成下面的
列联表,并据此资料你是否有95%的把握认为选手成绩“优秀”与文化程度有关?
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/e02b8918d03c4346bfbc615f4e7f4e41.png?resizew=409)
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/5e9f43e86ea94b6598590087eb54f4d9.png?resizew=254)
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/016ef15602884c2783e02d64f0cfc612.png?resizew=500)
(2)若参赛选手共6万人,用频率估计概率,试估计其中优秀等级的选手人数;
(3)在优秀等级的选手中取6名,依次编号为1,2,3,4,5,6,在良好等级的选手中取6名,依次编号为1,2,3,4,5,6,在选出的6名优秀等级的选手中任取一名,记其编号为
,在选出的6名良好等级的选手中任取一名,记其编号为
,求使得方程组
有唯一一组实数解
的概率.
(1)若将一般等级和良好等级合称为合格等级,根据已知条件完成下面的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b72fcdc709e77910cd36a26369648b3.png)
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/e02b8918d03c4346bfbc615f4e7f4e41.png?resizew=409)
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/5e9f43e86ea94b6598590087eb54f4d9.png?resizew=254)
![](https://img.xkw.com/dksih/QBM/2017/4/6/1659758426685440/1659903735201792/STEM/016ef15602884c2783e02d64f0cfc612.png?resizew=500)
(2)若参赛选手共6万人,用频率估计概率,试估计其中优秀等级的选手人数;
(3)在优秀等级的选手中取6名,依次编号为1,2,3,4,5,6,在良好等级的选手中取6名,依次编号为1,2,3,4,5,6,在选出的6名优秀等级的选手中任取一名,记其编号为
![](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/77de7569ef60efb75549adce04eae3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
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5 . 若关于
的不等式组
的解集为
,且数a使关于x的分式方程
的解为非负数,则符合条件的所有整数
的和为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f1494a4e9a5ee26db3fc797aa2d8c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d462ed4ec22e8fe51f09eb30e8792532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b58d1226fbe7cf8bcc6b09f23965eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知
是函数
的导函数,且对任意的实数
都有
(
是自然对数的底数),
,若不等式组
的解集中恰有两个整数,则实数
的取值范围是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7d3fa78d23a9eade627e679ffb7431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331f600365f995d4e0902c031cac233b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
7 . 函数
对任意的实数a,b,都有
,且当
时,
.
(1)求
的值;
(2)求证:
是R上的增函数;
(3)解关于实数x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5b5f09650569f1846f451c09585728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2180e18416d40abb243bd23984e7aba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解关于实数x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6706a0de427b238c481d4bb5fcc692.png)
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解题方法
8 . 已知函数
(
且
)的图象过点
.
(1)若
,求
的定义域并判断其奇偶性;
(2)解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a04546d92fd165fc1ad2cc82c2dbb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0d8b8e3f765d602f579b5d0730ba7e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62508b473e2104cc9536447ac9c03396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1acb50156198ce922576b86e83f9e8.png)
您最近一年使用:0次
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解题方法
9 . 已知函数
.
(1)当
时,求关于
的不等式
的解集;
(2)
,关于
的方程
在
总有两个不同实数解,求实数
的取值范围;
(3)若
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ede4a660ea4ec1bac8834a388f54a69.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4abca1cd298c31bf8c0babfea7074d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c885198ab1a7a342aa35ced7461b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ec0a04d44656bd8b58d19afabbf235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-01更新
|
416次组卷
|
2卷引用:重庆市渝北区松树桥中学校2023-2024学年高一上学期第三次诊断数学试题
名校
解题方法
10 . 已知函数
,
.
(1)设
,解关于
不等式
.
(2)设
,若当
时
的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15be4d3153d5f70ab7180764d7da2cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0a974c6dbd1b25e99411faec3732f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc8f120db984fd4a23160bd299ed973.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1240a68b54604399c4c82a3303b9e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1a28d07fb1904c65774987073d6f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-22更新
|
182次组卷
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2卷引用:重庆市青木关中学校2023-2024学年高一上学期第三次月考数学试题