名校
1 . 下列函数中,既是偶函数,又在区间
上单调递增的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-07-07更新
|
493次组卷
|
6卷引用:北京市东城区65中学2018届高三上学期期中考试数学试题
名校
解题方法
2 . 已知定义在实数集
上的奇函数
,且当
时,
.
(1)求函数
在
上的解析式;
(2)判断
在
上的单调性;
(3)当
取何值时,方程
在
上有实数解?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b69e93488fcd2a195cb9793e94fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba4fd0990bf06bb09edf1d946be657e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8f1677070e74433cf6e6474f0df25c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
您最近一年使用:0次
名校
3 . 下列函数中,既是偶函数又在区间
上单调递增的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-11-18更新
|
730次组卷
|
4卷引用:北京市海淀区2018届高三上学期期中考试数学(理)试题
名校
4 . 下列函数中,既是奇函数,又在区间
上为增函数的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-13更新
|
399次组卷
|
3卷引用:北京市十四中2017-2018学年高三十月月考数学(理)试题
名校
解题方法
5 . 已知函数
的定义域为
,
,
,若此函数同时满足:
①当
时,有
;②当
时,有
,则称函数
为
函数.在下列函数中:
①
;②
;③
是
函数的为__________ .(填出所有符合要求的函数序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f276b82d4e984675615cc27f9a764cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed27a5201103062651b120c1fe20266e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356704dd58441206abb070f2b8fc0cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718450c5bf116e2740e952316bca9c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d554245d04dbb72a823c273495ea1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5babefdbe4eaeb867236935f9d0f977c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
您最近一年使用:0次
2017-12-25更新
|
639次组卷
|
4卷引用:北京市东城区65中学2018届高三上学期期中考试数学试题
6 . 给定函数①
,②
,③
,④
,其中既是奇函数又在区间
上是增函数的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6534777c164d9da542e2c505bdba8e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cc72ea558f216b0206bc1bb7ea3504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d073e14de0a56e9588ec1527beea39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
A.① | B.② | C.③ | D.④ |
您最近一年使用:0次
2017-08-09更新
|
634次组卷
|
2卷引用:北京市昌平区2017届高三第二次统一练习数学(文科)试题
7 . 设
,
,
,则
,
,
按由小到大的顺序是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f3998adfa2a5677ceb2a5414ae1e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00850074bf1e3e997d96bb932dd01ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5677e7d749d8253eeeb239f6d252a0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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12-13高三上·北京东城·期末
8 . 对于函数
,有如下三个命题:
①
是偶函数;
②
在区间
上是减函数,在区间
上是增函数;
③
在区间
上是增函数;
其中正确命题的序号是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d188aefbf250eb86494d60918164416.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0328dbb8131d8b24b5f767d1e0a2a4.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80bd03a1113a3c036eed26a72e90ec6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2953facaa48d1616c0da2e988bb680.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6a89796c3c24a3d348d97fe1878db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2953facaa48d1616c0da2e988bb680.png)
其中正确命题的序号是
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次