名校
解题方法
1 . 已知全集为
,集合
.
(1)当
时,求
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf3d46d67ef50002ca18e04a3bb0442.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda922978abb112ea099f28ff9ec1170.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f9e3e9114efdef663ecd60364e2c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024·全国·模拟预测
解题方法
2 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71010e9ec5ad94d9d070d0b012be9f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024·全国·模拟预测
解题方法
3 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a484f3a7e445fee948b5dce407801df2.png)
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a484f3a7e445fee948b5dce407801df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9108dab2b8ae031d117c74f19356ba70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 茶是中华民族的举国之饮,发于神农,闻于鲁周公,始于唐朝,兴于宋代,中国茶文化起源久远,历史悠久,文化底蕴深厚,是我国文化中的一朵奇葩!我国人民历来就有“客来敬茶”的习惯,这充分反映出中华民族的文明和礼貌.立德中学利用课余时间开设了活动探究课《中国茶文化》,小明同学用沸水泡了一杯茶,泡好后置于室内,开始时测得这杯茶的温度为100℃,经过1分钟测得其温度变为80℃,再经过1分钟测得其温度变为65℃.小明想利用上述数据建立这杯茶的温度y(单位:℃)随经过的时间t(单位:分钟)的函数关系式,选用了两种函数模型:
①
(
为常数,
且
);
②
(
为常数,
).
(1)请通过计算帮小明同学选出恰当的函数模型;
(2)现代研究结果显示,饮茶温度不要超过60℃,请利用(1)中选出的模型该杯茶泡好后到适宜饮用至少需要等待多长时间?(参考数据:
)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab6528d62ee54416093c4b8677b50c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80797be7cff74c0c9eeb0fd4124693ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406185f4ad8bcd99e23adc8d289088ed.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a1e0ef30725cc409815fa4267a5e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fbdf49cd00af1ff87259836ddd9f6b.png)
(1)请通过计算帮小明同学选出恰当的函数模型;
(2)现代研究结果显示,饮茶温度不要超过60℃,请利用(1)中选出的模型该杯茶泡好后到适宜饮用至少需要等待多长时间?(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694613e148bb635b86e6a67bc755cdf3.png)
您最近一年使用:0次
名校
解题方法
5 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6f06ea06ee1d15560980bab42680a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31498e0da76e11c47b16f1277921c52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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2024-01-24更新
|
1478次组卷
|
6卷引用:天津市部分区2023-2024学年高一上学期期末练习数学试题
6 . 函数
的定义域是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39a1d981b66b21cda5d2127cd2b3b51.png)
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7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28c7ab2bfaf8e31633d19d5929e98c.png)
(1)解不等式
;
(2)若关于
的方程
在
上有两解,求
的取值范围:
(3)若函数
,其中
为奇函数,
为偶函数,若不等式
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28c7ab2bfaf8e31633d19d5929e98c.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c518b3d58a796d8a5456b4dd73b46380.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a92ad96177b893b2f2060fd6b1bf8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be309ee083e0060769afa2a7062125fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc50f609440a36953561a88e8acfee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff55088f345dd9d3dd241d3bf3e2da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee49aedadda4e9494e7034ec55c7ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fac96f6d0cadf0cadb3723b11f1013d.png)
(1)求不等式
的解集;
(2)求
的值域;
(3)当
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fac96f6d0cadf0cadb3723b11f1013d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a32fedce5de6be672ea3e1080c1da0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)当
时,解关于
的方程
;
(2)当
时,恒有
,求实数
的取值范围;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6f79a9f33c3876a17b150a4f0fb0f5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee18d7a40f7a7e0dc85b1bd75bf750c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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10 . 已知函数
为奇函数.
(1)求
的值
(2)解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2180e18416d40abb243bd23984e7aba.png)
(3)求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef65c934929b9fdff3ff5fa20c3008e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2180e18416d40abb243bd23984e7aba.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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