名校
解题方法
1 . 已知函数
是定义在R上的奇函数,其图象经过点
.
(1)求实数
,
的值并指出
的单调性(不必证明);
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412242f68a30b1099aa3f56b1e806eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f64e8f8505ae8d4e3fa214e588c710d.png)
(1)求实数
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672e7080c77d9811dd7482380e0d94f0.png)
您最近一年使用:0次
2023高一·全国·专题练习
名校
解题方法
2 . 在集合论中“差集”的定义是:
,且
(1)若
,
,求
;
(2)若
,
,求
;
(3)若
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f4bcaec7926363d8f77c6e773920d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b998f1e3675e0fa3b790c416a751af63.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9e6ad1166c7625e63b80e75b2fb1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2755a85584173902f146eacf40102723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cb7961d2d6957cfd6b4af403450e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6846ad147da3f53658602eade09631d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7321a9fa7a6ef6be6e40c96709763930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6846ad147da3f53658602eade09631d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe3404ade72e644b48d19572c173c93.png)
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3 . 我们知道:设函数
的定义域为D,那么“函数
的图象关于原点成中心对称图形”的充要条件是“
,
”.有同学发现可以将其推广为:设函数
的定义域为D,那么“函数
的图象关于点(m,n)成中心对称图形”的充要条件是“
,
”已知
.
(1)利用上述结论,证明:
的图象关于点
成中心对称图形;
(2)判断
的单调性(无需证明),并解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1da2db85b44ae9ced8c09cd19593e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57eb010ff662d57396d079222c0cdad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1da2db85b44ae9ced8c09cd19593e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0381746695cc95095bd5f248b707ea1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8f7c92dca9e48db1da75fbad2a7287.png)
(1)利用上述结论,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49a26cf164e6f90fbd6fadd34bb82fc.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5246be48b0389b4a60952950875d352d.png)
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名校
4 . 若实数
、
、
、
满足
,求证:关于x的两个方程
和
至少有一个有实数根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7936359df4c926b72b48c6fdae55f12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82210323d73addefc0fb7decde98bd02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98da87fb23c0c8463af422c812ffd074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908bd80e2402adcb48a96e7ce59be98c.png)
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名校
解题方法
5 . 已知不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa70fa7eb86c3733e2c1f1c7d07dd802.png)
(1)求证:方程
必有两个不同的根;
(2)若方程
的两个根分别为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa70fa7eb86c3733e2c1f1c7d07dd802.png)
(1)求证:方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54610fc51fb1a700d9977ec678c74392.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54610fc51fb1a700d9977ec678c74392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4e94463a0f22990789c5494916e844.png)
您最近一年使用:0次
2023-10-08更新
|
219次组卷
|
3卷引用:吉林省长春吉大附中实验学校2023-2024学年高一上学期10月月考数学试题
吉林省长春吉大附中实验学校2023-2024学年高一上学期10月月考数学试题江西省丰城市第九中学2023-2024学年高一上学期11月期中数学试题(已下线)第二章 一元二次函数、方程和不等式-【优化数学】单元测试能力卷(人教A版2019)
名校
解题方法
6 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ab5c4e0e536807a39ed9a85acf0c3.png)
(1)若不等式
的解集为
,求
的值;
(2)若
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ab5c4e0e536807a39ed9a85acf0c3.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e1cda660d1176d8c93210d038cb0fc.png)
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2023-07-16更新
|
1102次组卷
|
4卷引用:广东省珠海市第二中学2023-2024学年高一上学期10月月考数学试题
解题方法
7 . 已知函数
,且
.
(1)判断函数
在
上的单调性,并用定义法证明;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc4c4b2f9ad3b247ce628ddf56d53b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d725486a2a2861424dfb442856b13d6e.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeaa326d5d801481a7e309d8355fc54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
8 . 已知
是定义域为
的奇函数,且
时,
.
(1)求函数
的解析式,并写出单调区间(无需证明);
(2)当
时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667a9061d47a7dbf918b1599ff519d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7eca60c5c1e4bbdc3e44991203ec51.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8c55458b5cfe3af656316a72fe1e72.png)
您最近一年使用:0次
解题方法
9 . 已知
是定义在R上的奇函数,且
时有
.
(1)写出函数
的单调区间(不要证明);
(2)求函数
的解析式;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5749bb82edfb623c63ae4ec6b4d43da8.png)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369100ccd44feaa77e5f119ea949a879.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
.
(1)解不等式
;
(2)若
,
满足
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8e2b28d57814feeebfc4a1134358f6.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f97a1212828a5aade4637eb80cc09bb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728697bd9af445ae7525af9168fdf816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475c9073257b3d0760e2c6051a82d592.png)
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2023-10-18更新
|
244次组卷
|
2卷引用:福建省厦门第一中学2023-2024学年高一上学期第一次适应性练习数学试题