已知函数
,且
.
(1)求
和
的值;
(2)判断
在
上的单调性,并根据定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f81d2838628fc0030fef5a041c7518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0c858299e2eef67d419abe3a675d13.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
更新时间:2023-12-17 22:01:27
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知函数
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bd888bfb31bdd6cddc28e687304406.png)
.
(1)求
的值;
(2)判断
的奇偶性;
(3)判断
在
上的单调性,并应用单调性的定义给予证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c23989ead6945d4d0f56d2dc40a849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bd888bfb31bdd6cddc28e687304406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415dd1391cf359512f7714d4458feee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
您最近一年使用:0次
解答题-证明题
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适中
(0.65)
名校
【推荐2】对于函数
,若
,则称实数
为
的“不动点”,若
,则称实数
为
的“稳定点”,函数
的“不动点”和“稳定点”组成的集合分别记为
和
,即
,
.
(1)对于函数
,分别求出集合
与
;
(2)对于所有的函数
,集合
与
是什么关系?并证明你的结论;
(3)设
,若
,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39456f6fff8fee5ffdbc8cbe52ad643b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5daa757fcbd2be5511d81a29054652e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c53bad9378d5c5d7cbd94f97e31efecf.png)
(1)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcfc72be2bbdcf3b0e3bf1ba1432ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)对于所有的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc66f56f02f64c239c573f2fee975c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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3】已知指数函数
,且
的图象过点
,
.
(1)若
,求
的取值范围;
(2)判断
在
上的单调性;
(3)设
,试比较
的大小,并将它们按从小到大的顺序排起来.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cae47ad50ac506ced900f0a5156c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf960e02c72a12e97c86091b8a8f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ef72191a9ac3bd5a325395a72bdc2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1d195c6dcc117e03c8703273120401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d94bd43003dbb6412d6fe38c89abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.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】已知函数
,
,
.
(1)若
,试判断并证明函数
的单调性;
(2)当
时,求函数
的最大值的表达式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7b3df386b8f793d2cfe10b6ac7569a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d978e4e41c7b382a640d8c548e8ccb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f30c6dfbd416095d25852e1f0c09d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】函数
是定义在
上的奇函数,且
.
(1)求
的解析式;
(2)证明
在
上为增函数;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020735a73c0fc297de84f7de86905a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad19d9b057bd7b2207dabe260e7bde86.png)
(1)求
![](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/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61ab1bc3ab6dbac35f962f0b1a4329c.png)
您最近一年使用:0次
解答题-证明题
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适中
(0.65)
解题方法
【推荐3】已知定义在
上的函数
满足对任意的
,
恒成立.当
时,
,且
.
(1)判断
的单调性并证明,
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29ef32d9bc2e32ef2b8639b57dc9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1571623dcb8e574e7cfc3d3be685779.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4910a6cb193ad2dd1f43d80266a53a8a.png)
您最近一年使用:0次