函数
,
且
,
.
求
的定义域,判断
奇偶性;
若
,求使得
成立的x的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f69616a012f4328972b8c02beba1905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5d180c5d46f02475d083693c374144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c0e15f80e2b1090573ec118e12e1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71535ee8af89feff68300067e95a819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6ceaf64ea677fbad444dc1272a77fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6ceaf64ea677fbad444dc1272a77fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89e604dfc4e25f10c4759e3b2f5b806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3bc3470ae6c7c07864e2bf1c41c62f.png)
更新时间:2018-12-10 15:37:11
|
相似题推荐
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】已知定义在
上的函数
满足下列条件:①对定义域内任意
,恒有
;②当
时
;③
.
(1)求
的值;
(2)求证:函数
在
上为减函数;
(3)解不等式 :
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0e0eb3d354a1b4454b39b6cd4c80d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9defa23d2a9b88f4dd10e0ea4bef2189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6228b3fd62e53d3134a146f689e4a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c6cf9152e0d02b83eb22b01722d29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a1b1fdcdde97a8c9e9339b2f33c5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7f2147dd9d31926993e64ec6995c1a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7c0d7c2fce3b92949095ea682e735d.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
(3)解不等式 :
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b96be8841e5b66d3a9fae317c4cb0c3.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】求下列函数的定义域和值域:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f14420e6ee5da16b8aeb10761b77fa6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3c2020b4257fd4f0ccac8d3f3bd2f1.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1】判断函数
的奇偶性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970fc6e1c33029ba395af56111c1e29b.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
,其中
.
(1)判断并证明函数
的奇偶性;
(2)判断并证明
在
上的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637fc7f0738a0a3c872656bfe0612e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf229786b0ee5545cd6d0eeaa07d116.png)
(1)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20aa36cae34afaa391a4319c9c5eb87a.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐3】已知函数
.
(1)判断函数
的奇偶性,并证明你的结论;
(2)用函数单调性定义证明:函数
在
上是减函数;
(3)写出函数
的值域(结论不要求证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d389b78f753622d6ed895eff86c8e59b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用函数单调性定义证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
(
,且
).
(1)判断并证明函数
的奇偶性;
(2)当
是时,求
的值;
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a4f16851b179d3e7f62a99c149aa43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0206a2e2e9ff2fee186b816cb55d7b7d.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.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】已知函数
,其中
是常数.
(1)当
时,用定义证明:
是
上的递增函数;
(2)若不等式
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd06b904bd7b9197395ffbca15b232a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9eca1510647f9b40cf7ce69c3757f6.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887c4e34e1e3328a8a1c8e0883a5d1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次