1 . 设
,对任意的实数
,关于
的方程
共有三个不相等的实数根,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b2578e6a57d2fb0726c80ed8f7ebe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a13a8839aceed8b250b6edb1064a817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53400bd668c66b0ebe933c3ce329832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
解题方法
2 . 已知函数
的最小正周期为2,当
时,
.若
,则满足
的所有x取值的和为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbb01a7f5e9861aa185c6c63fcd58c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0003bf629b8a9addc6b0097cca0f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dab1c70acb41a6591f01ef85a02b378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665dc334a37e61c356b636604eb0f8c3.png)
您最近一年使用:0次
2020-02-14更新
|
424次组卷
|
2卷引用:浙江省台州市2019-2020学年高一上学期期末数学试题
21-22高一上·浙江·期末
3 . 已知
,函数
.
(1)当
时,解不等式
;
(2)当
时,求证:
;
(3)设
,若对任意
函数
在区间
上的最大值与最小值的差不超过
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330ed86e0f01e7aa13cb934344e31cde.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc4c7f5eaaa10d149677dbfd230d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7946a436abbfb69ed22f3b6fd413b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364dadcc031a2c02e190a9670efb9354.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f01584c320513caa949e6e831a28e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16443926c89badae2361d1290e4781b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82dca4a0e082b5cbdb1beb6f4d1e2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
19-20高一·浙江·期末
4 .
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d286634456f3fb6165c1a8bb1ea013b.png)
您最近一年使用:0次
5 . 若
,以下选项能推出
的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
19-20高一·浙江杭州·期末
名校
解题方法
6 . 已知函数
的定义域为A,函数
的值域为B.
(Ⅰ)设集合
,其中Z是整数集,写出集合M的所有非空子集;
(Ⅱ)设集合
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30b4b26315857c3903451d8b5a27391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c072a2c2a0f5073eaad3ddbab4f04ad.png)
(Ⅰ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623e1a48ca3f7e3395dba4758fe6d251.png)
(Ⅱ)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c068447aff7a6b7ea7c476651fbcaff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)若对于任意的
,
恒成立,求实数
的取值范围;
(2)记
在
内的最大值为
,最小值为
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe787c5fe250d29daae1e4ae6e82425a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d588a7aaace24b45049523b39b6ca2a.png)
(1)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4cf16e39bff4aa2d482c90411d5ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185af3f2d9835aa76aeebe02875ecae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe787c5fe250d29daae1e4ae6e82425a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93129dde5fa5cd84e3702e457535e274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
解题方法
8 . 设集合
,
,不等式
的解集为
.
(1)当a为0时,求集合
、
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ad37c0994d39f1219d0e67f42bda83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e313e973089df47aeb739c7a0ae31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b12142a51d8a1af389a89ffd727a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当a为0时,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-12更新
|
358次组卷
|
9卷引用:浙江省金华十校2017-2018学年高一上学期期末调研考试数学试题
浙江省金华十校2017-2018学年高一上学期期末调研考试数学试题(已下线)2019年一轮复习讲练测 1.1集合的概念及其基本运算【浙江版】【测】(已下线)【新东方】浙江省2019-2020学年高一上学期期中数学试题【JTX】(已下线)【新东方】浙江省2019-2020学年高一上学期期中数学试题【JYZ】(已下线)【新东方】浙江省2020-2021学年高一上学期第一次月考数学试题【YDC】安徽省安庆市怀宁县第二中学2018-2019学年高三上学期第二次月考数学(理)试题山西省师院附中、师苑中学2020-2021学年高一上学期第一次月考数学试题(已下线)期末测试(必修一+必修二)(基础过关)-2020-2021学年高一数学单元测试定心卷(人教B版2019必修第二册)江苏省扬州市仪征市第二中学2020-2021学年高三上学期9月测试数学试题
解题方法
9 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/80e1d8e1-4de9-46bd-98f1-dba73dc89235.png?resizew=189)
(1)求函数
的解析式;
(2)设函数
,且
,实数
、
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b3459b9312e5117f766a3ff5830df4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/80e1d8e1-4de9-46bd-98f1-dba73dc89235.png?resizew=189)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be05d69469c165830866d42bd7f6e04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cf3150ee358d49b12151a118639fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-02-14更新
|
340次组卷
|
4卷引用:浙江省杭州市七县市2019-2020学年高一上学期期末数学试题
浙江省杭州市七县市2019-2020学年高一上学期期末数学试题(已下线)【新东方】新东方高一数学试卷276(已下线)【新东方】新东方高一数学试卷290广西百色市平果市铝城中学2023-2024学年高一上学期期末数学解答题专项训练(二)
名校
解题方法
10 . 某市财政下拨一项专款
百万元,分别用于植绿护绿和处理污染两个生态维护项目,植绿护绿项目五年内带来的生态收益可表示为投放资金
(单位:百万元)的函数
单位:百万元):
处理污染项目五年内带来的生态收益可表示为投放资金
(单位:百万元)的函数
(单位:百万元):![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313efa51637b9bf322eb599ccca746c3.png)
(1)设分配给植绿护绿项目的资金为
(百万元),则两个生态项目五年内带来的生态收益总和为
,写出
关于
的函数解析式和定义域;
(2)求出
的最大值,并求出此时对两个生态项目的投资分别为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6307e4895627a86071f08dbdc5867c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c33c52de7a2c9d148e44283eec3dbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313efa51637b9bf322eb599ccca746c3.png)
(1)设分配给植绿护绿项目的资金为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2020-10-13更新
|
323次组卷
|
7卷引用:【新东方】双师 (52)