名校
1 . 函数
的图象可能是下列图象中的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbc245daa3bf0832a00c28a1ba25c32.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-07-20更新
|
403次组卷
|
2卷引用:浙江省杭州二中2020届高三下学期高考仿真考数学试题
解题方法
2 . 函数
在
的图像大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa28f5bc75162f0b584d4ce4a39ed6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbd3d34a506c95d0b9811ad01348cc3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-07-16更新
|
353次组卷
|
3卷引用:云南省红河州2019届高三复习统一检测数学(理)试题
名校
3 . 已知
,
向右平移
个单位后为奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
________ ,若方程
在
上恰有两个不等的根,则m的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22866ae5320368f80f864959f3057556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ef2a4483042bdf00f273784acc6396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4874cf36b6082ba4d539ff3ee69a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f8472e37fd477ac32d31128c2d5f65.png)
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2020-07-15更新
|
787次组卷
|
2卷引用:2020届重庆市南开中学高三高考模拟数学(文)试题
名校
解题方法
4 . 函数
的图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f980d85e64bc1124721ccc672db679d5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-07-15更新
|
289次组卷
|
5卷引用:宁夏银川市宁大附中2020届高三第五次模拟考试数学(文)试题
解题方法
5 . 随着我国综合国力的不断增强,不少综合性娱乐场所都引进了“摩天轮”这一娱乐设施.(如图1)有一半径为40m的摩天轮,轴心
距地面50m,摩天轮按逆时针方向做匀速旋转,转一周需要3min.点
与点
都在摩天轮上,且点
相对于点
落后1min,当点
在摩天轮的最低点处时开始计时,以轴心
为坐标原点,平行于地面且在摩天轮所在平面内的直线为
轴,建立图2所示的平面直角坐标系.
![](https://img.xkw.com/dksih/QBM/2020/7/9/2502381061545984/2503093476507648/STEM/a00ee699bd6646169b1a8e83eec406c8.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/2020/7/9/2502381061545984/2503093476507648/STEM/b914f130dffd47678a4f90d441815d73.png?resizew=335)
(1)若
,求点
的纵坐标关于时间
的函数关系式
;
(2)若
,求点
距离地面的高度关于时间
的函数关系式
,并求
时,点
离地面的高度(结果精确到0.1,计算所用数据:
)
(3)若
,当
,
两点距离地面的高度差不超过
时,求时间
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2020/7/9/2502381061545984/2503093476507648/STEM/a00ee699bd6646169b1a8e83eec406c8.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/2020/7/9/2502381061545984/2503093476507648/STEM/b914f130dffd47678a4f90d441815d73.png?resizew=335)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ece024a8f0185a69b2469b63d3352ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0fe078823d44ad59b3048bb5bc39d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f1e0268e7e4ace8e70b4d38ad6d08d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ece024a8f0185a69b2469b63d3352ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0fe078823d44ad59b3048bb5bc39d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0225bca34eaf19544939b29153aac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90e5c79db3774dc8fef30deee078e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105bbdf65f5f6990974de7aa0beb496d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ece024a8f0185a69b2469b63d3352ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74206de7c75618925864591fc27097b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0fe078823d44ad59b3048bb5bc39d8.png)
您最近一年使用:0次
解题方法
6 . 函数
的最小正周期为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4d22b9675d50e6ce1b5947106b558b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
A.![]() |
B.![]() ![]() |
C.![]() |
D.函数![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 某处有一块闲置用地,如图所示,它的边界由圆O的一段圆弧
和两条线段
,
构成.已知圆心O在线段
上,现测得圆O半径为2百米,
,
.现规划在这片闲置用地内划出一片梯形区域用于商业建设,该梯形区域的下底为
,上底为
,点M在圆弧
(点D在圆弧
上,且
)上,点N在圆弧
上或线段
上.设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/c6222bb9-a391-4a91-8406-21126f998d5d.png?resizew=173)
(1)将梯形
的面积表示为
的函数;
(2)当
为何值时,梯形
的面积最大?求出最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a4c11d41372175ba3541a44c3376b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900531973c546625694146fa1509ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f9353ca110c8b81561455b232dbc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719d071fa86799218653af756956b7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd6ffb78dad3375efa3b08ab518553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb35158a52a23a6e57ff890cef8c7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/c6222bb9-a391-4a91-8406-21126f998d5d.png?resizew=173)
(1)将梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e22545a765af9563ea7c8db75c16df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e22545a765af9563ea7c8db75c16df6.png)
您最近一年使用:0次
8 . 若
,其中
,则有( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd7a2573c814bb3d75587e550893171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db20d67f7d099c8d974e2f81954e023b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26703a8d6c13a6bbda443b105e6f1ccb.png)
A.函数图像关于![]() |
B.函数在![]() |
C.若![]() ![]() |
D.函数f(x)的最小值为-2 |
您最近一年使用:0次
2020-07-02更新
|
2346次组卷
|
6卷引用:山东师范大学附属中学2020届高三最后一卷(打靶卷)数学试题
名校
10 . 已知函数
,
,
,已知
时,函数
的所有零点和为21,则当
时,函数
的所有零点的和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f71df2f863e6e8dbe596fff817d2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4618185c9fd6a604d7c83a004a02e72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b377f632949bff36083a5464113387fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab12359ab934c34ef538d26ba946001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e661ad31aa4c6d8684923cf904bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
您最近一年使用:0次