1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63c624413bae1a3ecae09c07db460e2.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c5679583af6862c5c9a5c58d3434b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63c624413bae1a3ecae09c07db460e2.png)
您最近一年使用:0次
解题方法
2 . 如图,在半径为
、圆心角为
的扇形
的弧上任取一点
,作扇形的内接矩形
,设矩形
的面积为
,
,求出
关于
的函数关系式,并求出
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e17dc84ba2e871aeb3a3fd2a2b5f1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7e00f8bacce4d649b535449f04568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/140ae32c-8bb9-4c72-b403-37ac536501bc.png?resizew=197)
您最近一年使用:0次
2020-02-19更新
|
294次组卷
|
2卷引用:四川省西昌市2019-2020学年高一上学期期末数学试题
解题方法
3 . 已知
,则
的零点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1e922a2fa91aee0f1a0b6c95b8ebbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e93518e87f6930ac1e45498a36810.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-19更新
|
396次组卷
|
2卷引用:四川省西昌市2019-2020学年高一上学期期末数学试题
解题方法
4 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315be5c631dd2de45746e658c819616a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07199b7a4423dd44829afe1708feb702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9da6f152a33ef475161c9e396647225.png)
您最近一年使用:0次
5 . 化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6042d0e1ee868565fca490604c67990.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6042d0e1ee868565fca490604c67990.png)
您最近一年使用:0次
2020-02-17更新
|
711次组卷
|
3卷引用:湖北省武汉市(第一中学、第三中学等六校)2019-2020学年高一上学期期末联考数学试题
解题方法
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a024ff44b94817212296a072856d507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f793b8d525f16caf068dd2276eef069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a024ff44b94817212296a072856d507.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 .
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d185afc4e800d5421fc89be1fd0b9c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 已知
,
,对于
值域内的所有实数
,不等式
恒成立,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ac7566decc0766c942c2e1841f1151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055167655968caa1889084b564754009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a910356a96162f45481e32caf357158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知函数
.
(Ⅰ)求函数
的图象的对称中心及其在区间
的值域;
(Ⅱ)求函数
在
上的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c76ce304127d9e191f92efc21ae79dc.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fee19fef930b81f2605c4642b6211c.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
您最近一年使用:0次
10 . 已知
,
,
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ec166607975d6f9c5bcc38424725f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b4be6ef9e2fba34ad13067063eca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdec3766f627607e525946f4bbbe1148.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次