设函数
对于任意
都有
且
时
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a063e3953e9bae48f9a135a41cf73d7.png)
.
(1)求
; (2)证明:
是奇函数;
(3)试问在
时
是否有最大、最小值?如果有,请求出来,如果没有,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c484e3435e4efe9856ef6aaa47ebb411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914091c147ca58e4ac07c5155422b534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a063e3953e9bae48f9a135a41cf73d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782b6f60410e4a091d00686632e51565.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)试问在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c396b208715c1099e72d91c6b5f951d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
14-15高一上·辽宁沈阳·阶段练习 查看更多[3]
(已下线)2014-2015学年辽宁省沈阳二中高一上学期10月月考数学试卷陕西省西安交大附中2019-2020学年高一上学期9月月考数学试题重庆市渝北区松树桥中学2020-2021学年高一上学期第三次阶段性测试数学试题
更新时间:2016-12-03 06:05:14
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解答题-证明题
|
适中
(0.65)
名校
【推荐1】设
,函数
.
(1)若
,求证:函数
为奇函数;
(2)若
,判断并证明函数
的单调性;
(3)若
,函数
在区间
上的取值范围是
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6fe56c70ed96e7f0ee48063dae9fc7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e6fca71fccb890f3ad8501ea4f560e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d42f621464019a86fadf05723784e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8573eecbc29f522671b3892ec406c50b.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
.
(1)证明:函数
在
上是单调减函数;
(2)若方程
在
上有解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92156cf52fd959211a14e97c455678c.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6e28dbfcdd6fb66b9ff759be044287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.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)
解题方法
【推荐1】已知函数
.
(1)讨论函数
的奇偶性,并说明理由;
(2)当
时.
(i)写出函数
的单调区间(不要说明过程);
(ii)是否存在实数
,使得函数
在区间
上的最大值为2,若存在,求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6498a1d3895809caab2858bcb95c58f5.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
(i)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(ii)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f161eb941505a99f0a6cd077f4100f6a.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)
【推荐2】已知函数
.
(1)判断
的奇偶性,并说明理由;
(2)判断
在
上的单调性,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d541211073469c92f2c8636b090128d.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
您最近一年使用:0次