名校
1 . 设A是实数集的非空子集,称集合
为集合A的生成集.
(1)当
时,写出集合A的生成集B;
(2)若A是由5个正实数构成的集合,求其生成集B中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e55a0e3c127b4451b41d37c3e6a2e8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8656d50412c0630b776d57a33ef67546.png)
(2)若A是由5个正实数构成的集合,求其生成集B中元素个数的最小值.
您最近一年使用:0次
名校
2 . 已知二次函数
.
(1)求函数
的零点;
(2)求不等式
的解集;
(3)如果函数
的图像恒在直线
的上方,求:a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f4758fde5b1a0756dcd100d5e60b39.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(3)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ce94f955649346860b15b58694202f.png)
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名校
3 . 已知函数
.
(1)判断函数的奇偶性,并说明理由;
(2)求证:函数
在
上单调递减;
(3)写出函数
,
的最值,及取到最值时对应的x值(不需说明理由,直接写出结论即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
(1)判断函数的奇偶性,并说明理由;
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589ed49839c4dc0b033431d88a4c1f94.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5effb3053cf609f59178641cd48167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695372ac0e0423f72bf85c8bbb474580.png)
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4 . 已知函数
.
(1)求
的零点;
(2)判断
的奇偶性,并说明理由;
(3)证明
在
上是减函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1660f46cb937dba8de22d8c796378776.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)证明
![](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
2022-11-07更新
|
405次组卷
|
2卷引用:北京市房山区2022-2023学年高一上学期期中学业水平调研数学试题
解题方法
5 . 已知全集为
,集合
.
(1)求
;
(2)求
;
(3)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0744d7ac9f110c31528493947a0b0cf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2634f6b81c587b216cd3feea704f3e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d90396d7e611db0e52cc5769db5b56.png)
您最近一年使用:0次
2022-11-07更新
|
164次组卷
|
2卷引用:北京市房山区2022-2023学年高一上学期期中学业水平调研数学试题
解题方法
6 . 已知函数
(1)画出
的图象,直接写出方程
的解集;
(2)若方程
至少有两个不等的根,直接写出t的取值范围;
(3)若
,且
,求
的最大值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f07ea8f8aca9b5a42cfd3d526f190de.png)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713c59f274e9146b6d85375435315521.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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名校
7 . 已知集合
.对于
,
,定义
;
;
与
之间的距离为
.
(1)当
时,设
,
,求
;
(2)(ⅰ)求证:若
,
,
,且
,使
,则
;
(ⅱ)设
,
,
,且
.是否一定
,使
?说明理由;
(3)记
.若
,
,且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2157d65a1caf1618eade9605fe6b67be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53422543e9a9311416faf749bdda67b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1a7c3713945abc4eca8485945abf32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272114f7ca7b47d5217e070c599fa95c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfaf6f0a8c604e3c71e3bba5b14f046.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/80ebc8c7e32c1b561a908a36cfa2cbb5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30883b665662f06415441c2f8cb6cc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192ab63501f301390f52caee86fb3804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
(2)(ⅰ)求证:若
![](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/7bb4a7a0497abab7c78203fd08cdc12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559305e1e35d369f1d056bb4191a23aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a14234249447bcb6ea7c44050f1e846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f58a4ab4ebd738133e9cd5319ff5e9.png)
(ⅱ)设
![](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/7bb4a7a0497abab7c78203fd08cdc12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f58a4ab4ebd738133e9cd5319ff5e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559305e1e35d369f1d056bb4191a23aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a14234249447bcb6ea7c44050f1e846.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18177867c9cc54f91c3f3a201bc5df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4157faf44a79fc69b8d762cf305aae57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0255c80b8f7b359e63531c2167bafcab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
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8 . 已知函数
.
(1)证明:2为函数
的一个零点;
(2)求关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35dc0ca67e1fd3beacb371e109242fee.png)
(1)证明:2为函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
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9 . 已知函数
是定义在
上的偶函数,且当
时,
;
(1)已知函数
的部分图象如图所示,请根据条件将图象补充完整,并写出函数
的单调递增区间;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/d8669e10-deff-4bd6-b6c8-4bffab7c88cd.png?resizew=167)
(2)写出函数
的解析式和值域;
(3)若关于x的方程
有3个不相等的实数根,求实数t的值.(只需写出结论)
![](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/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/d8669e10-deff-4bd6-b6c8-4bffab7c88cd.png?resizew=167)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713c59f274e9146b6d85375435315521.png)
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解题方法
10 . 已知函数
.
(1)判断
的奇偶性;
(2)根据定义证明函数
在区间
上是增函数;
(3)当
时,求函数
的最大值及对应的x的值.(只需写出结论)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b89b704e1777ffe05d181200c946ba2.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)根据定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a11b8a2fc710d26c89953d4d3a4eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2022-11-07更新
|
256次组卷
|
2卷引用:北京市丰台区2022-2023学年高一上学期期中练习数学(A卷)试题