已知
是定义在
上的奇函数,且满足下面两个条件:①对于任意的
,
,均有
;②当
时,
,且
.试求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f370a1d4dd341e5ab1774a66c66c1204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
更新时间:2021-11-29 08:00:33
|
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:①对任意的
,都有
;②当且仅当
时,
成立.
(1)求
;
(2)用定义证明
的单调性;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439d29be659b489ed96a6d5d84d9b753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6521ef75f0a05fe62cdfd2fbbe0430b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
(2)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
常数
.
证明
在
上是减函数,在
上是增函数;
当
时,求
的单调区间;
对于
中的函数
和函数
,若对任意
,总存在
,使得
成立,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9c93d01d111117daaeea094ed30c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9b73e861342bc0bd7ce6b542ede5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03888a9b30993ef78f95a5dc62a382dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2acb94163aad108f2fd2b92c2f11802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c31cf62d23b46dc69213bcd6331344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfba3688f0650a91b0803f13c04af8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4819b2e0479d6797f75909b09248ec58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2c5276138efb31a87dbd9e97a0561f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcba86a5df4ed63725136ff15f0cca6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38e034f2e68634378f9b6b7e16b738a.png)
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)用单调性的定义证明
在
上单调递减;
(2)判断
在
上的单调情况,并求最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
(1)用单调性的定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd5357e9056695bae8eee9ca2938977.png)
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名校
【推荐1】设
.
(1)若
,判断并证明函数
的奇偶性;
(2)令
,
,求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/809d95382681197579c7f2d0386835cd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c52ae1ba51ac474df8de0c77c5bfce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2336c98469411d13dfed8d609e74c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e735deb7bbd18bfad280516155362497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
您最近一年使用:0次
【推荐2】已知指数函数
的图象经过点
,
在区间
上的最小值是
.
(1)求函数
的解析式;
(2)若
时,求函数
的最小值
的表达式;
(3)是否存在
、
同时满足以下条件:①
;②当
的定义域为
时,值域为
;若存在,求出
、
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a671406a5442a3088a4ee1d064114a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3276b5e12396fc4753eb3f8254f9fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de161654302cb9e2328edcebd44f8fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d0d9829e0f5f313d8a0a705c4d5879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09112144a4a243b90b3178ee9959661f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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解答题-问答题
|
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(0.65)
名校
【推荐1】已知幂函数
为奇函数.
(1)求
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048a6ed5146e6f20bcc4ffc289244a83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a344e2882b1918e7ae3955af5fd93a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
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【推荐2】已知
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(1)若方程
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5443f03253eb322a4260ec43d96d96a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18141f0524b75e4fcd3e542572ca92b9.png)
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