设函数
是增函数,对于任意
都有
.
(1)写一个满足条件的
;
(2)证明
是奇函数;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)写一个满足条件的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ee0fc0bfc911efdcc0c9afb5587dc4.png)
更新时间:2022-04-14 23:19:34
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】(1)求函数
的值域;
(2)已知
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8728aa8266b11b7a5a7fd8bf2b531680.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b8b544f65130f600b030fec3ed493c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
对一切实数
都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfe1276cd5c089378b54360eeb04fae.png)
成立,且
.
(1)求
的值,及
的解析式;
(2)当
时,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfe1276cd5c089378b54360eeb04fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c5643e10797203998be995318c393b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d544d676ba61b4315817833fdf5c01eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93f7b5ef4280650d6d1227471a55e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
定义域为
,若对于任意的
,都有
,且
时,有
.
(1)证明:
为奇函数;
(2)证明:
在
上是增函数;
(3)设
,若
,对所有
,
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e85a135378a3780dd1a3215dd5b40d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f52e2c082a502853999ca5b80d025da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262d7da8f17131eef23addd1854b170d.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】函数
的定义域为
,且满足对于定义域内任意的
,都有等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd858820a22d764b2963b1321b5b3f60.png)
(1)求
的值;
(2)判断
的奇偶性并证明;
(3)若
在
上是增函数,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b006c43b25f1ffcd5a7534879bf08b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583487f376a47ce72012deead56aaeff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd858820a22d764b2963b1321b5b3f60.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90966eaf7c1698ebd3fb59b7a25e44fd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857c7d5288efa15b8844d6242919ab56.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐3】设函数
是增函数,对于任意
都有
.
(1)证明
是奇函数;
(2)关于x的不等式
的解集中恰有3个正整数,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4c52d3e3e5e8810128a8bd71846881.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知
是定义在
上的奇函数,当
时,
.
(1)求函数
的解析式;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15308be822e4af7bc4054e7aa4c50e80.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4d98627454a3956a6bff69643afe03.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
是定义在R上的奇函数,且当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c338c5a76bf9ded2bb9ad92d7a9bb0c1.png)
(1)当
时,求
的解析式;
(2)若函数
在
上单调递减.
求a的取值范围;
实数
,
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b767c33d36acbb9b5110ad0652237652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c338c5a76bf9ded2bb9ad92d7a9bb0c1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcebf16953d24f7e2c08a9e1872de5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05620837db2a3247641d8676facadab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba6032621126e028e5f8bbd67d50d01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a2a4788222c73480d5e81dba4fad8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a654f15f0eddf1b19c178eea09ae94dd.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知奇函数
在定义域
上是减函数,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe5cae609db86b7d1ec7fbe257d09d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次