解题方法
1 . 若函数
的定义域为
,函数
的定义域为
,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b70d4e0360dee8d94a5776ed607660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19173feeb190b1aaf9d489d9b0437834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fd4b641edd2c317f4febc7be65a154.png)
您最近一年使用:0次
2 . 判断函数
(
且
)的奇偶性,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0672ec291f502c86e1a0e6589bcc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
您最近一年使用:0次
名校
解题方法
3 . 已知集合
,_____________.试从以下两个条件中任选一个补充在上面的问题中,并完成解答.
①函数
的定义域为集合
;
②不等式
的解集为
.
(1)当
时,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15453c00f870d323a53c656f840dd5b.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97fc0021439396137e94f3c865bd2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
的定义域为集合A,集合
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ebb38db5cb03909938b2e40d8b6889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd5823cf4ed6b07997494037364a6ee.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b5098b577cf919109fc2f6e6c362f5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
您最近一年使用:0次
5 . 已知函数
.
(1)求函数的定义域;
(2)判断函数的奇偶性;
(3)用定义法证明:
在
上单调;
(4)求
在
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393eb1f90b041d721c9e530284797e84.png)
(1)求函数的定义域;
(2)判断函数的奇偶性;
(3)用定义法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e1b4a9ba703bb43187aafbcb697d24.png)
(4)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e1b4a9ba703bb43187aafbcb697d24.png)
您最近一年使用:0次
2021-12-15更新
|
332次组卷
|
2卷引用:新疆哈密市第八中学2021-2022学年高一上学期期中考试数学试题
名校
解题方法
6 . 设函数
的定义域为集合
,函数
的定义域为集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac3846991725014007ac13990969989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25428917ae40504ae5de69e048bd63f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 已知函数
的定义域为集合A,
.
(1)求集合A;
(2)若全集
,
,求
;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f926c504c817402c3bf959d1dbf36b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd2e1c54c53f7b1a4eff95c396d1bb5.png)
(1)求集合A;
(2)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf3585771e86d0d51f80310685ce1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17456673140455083d8571ae4349ffc.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)求函数
的定义域
;
(2)当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052c9cefe461b9aaa1a6117565ab0743.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac2a323c83d3e8775efe2b29591cc2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 已知函数
的定义域为集合
,集合
.
(1)当
时,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a83f70a6b67987664ab5c1aba7724f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec62f1c0c5309fad6675c48ecd8dc249.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dda184ed2ea632cfffac6e8e1db3d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
10 . 已知函数
,且
.
(1)求函数
的定义域和值域;
(2)判断函数
在
上的单调性并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eed44b5b27c36b8d0832789a02cb63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd96cbfbdf2edb44b2ad3ca9736faa6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550f37aa199c68034a18dabb2cad1589.png)
您最近一年使用:0次