解题方法
1 . 已知函数
.
(1)求函数
在
上的最小值;
(2)设函数
,若对任意
,总存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e376c842a2c9d28900db4c9e3751c8b4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2255fecbb20f929e7c4b615d7c74a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d12088d1da3a854149232e3b65e894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1818659b9825abf1b36205eeac80274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
.
(1)求
的定义域;
(2)判断
的单调性,并说明理由;
(3)若关于
的方程
有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a2801877818841cc2740b6addef143.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4919d2526e2c9fb7a0951cc23ae875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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3 . 已知集合
,
.
(1)求集合
;
(2)若
,函数
,求函数
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65a02e056c83945f168a5fd17bbff47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddafc42bc0448a86814f67cb3d17f63b.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917864013a52e1549f717f86f7569954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89c265f97261810d18fdd2b61936db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若
,根据函数单调性的定义证明
在
上单调递减;
(2)由奇函数的图象关于原点对称可以推广得到:函数
的图象关于点
中心对称的充要条件是
.
据此证明:当
时,函数
的图象关于点
中心对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f016b1550b070f314cb4e0f6cc36ea3d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)由奇函数的图象关于原点对称可以推广得到:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efba78e88fe6b52f0d602b3749c6fc49.png)
据此证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef6d3dd89c1f9696320616f569d1d63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc1ceb62351e17b3571798d9e3179ec.png)
您最近一年使用:0次
5 . 已知定义在
上的函数
,是奇函数,且
.
(1)求实数a,b的值;
(2)判断函数
在R上的单调性,并用函数单调性的定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc01ab237dee0b957b34d548f578118c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a5a5020a42f6ed445a7065b0d27328.png)
(1)求实数a,b的值;
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次
6 . 求解下列问题:
(1)计算:
;
(2)若
,
,求
的值.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb22a13d94837a9edf14f73169a6051.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b7e833d4d8ba77347b2f61c60f915c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cdb795ef1f715299b6ad9912ea6b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5625448c60fd2640c13c5f6b4238b2.png)
您最近一年使用:0次
7 . 已知定义在
上的函数
为偶函数.当
时,
.
(1)求
;
(2)求函数
的解析式;
(3)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](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/b782c11e580cc5e91ba5a51969fe8eeb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109dde9fdf7b26d48a8eee68fc9e7d46.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98927330583cfd48b18e42f9a5ff77dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
8 . 计算下列各式
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deeaf63cbdf8b00f1d26fc856bd60ef0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df9eb5b28823e2819f80a5e653518a4.png)
您最近一年使用:0次
解题方法
9 . 已知函数
且
.
(1)若
,函数
,求
的定义域;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147b8ee2c8555bcad18dd4d7ab3eb3eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56f3ad6403abcd1e0acf5fd69edaa06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-24更新
|
424次组卷
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7卷引用:河北省承德市2023-2024学年高一上学期期末考试数学试题
名校
10 . 求下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517885e034846fff1d9911412026a697.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15bbbce5c09a0c794defae3793698fb2.png)
您最近一年使用:0次
2024-01-17更新
|
555次组卷
|
2卷引用:河北省沧州市泊头市第一中学2023-2024学年高一上学期1月月考数学试题