2023高三·全国·专题练习
1 . 设
是坐标平面
上的一点,曲线
是函数
的图像.若过点
恰能作曲线
的
条切线(
),则称
是函数
的“
度点”.求函数
的全体2度点构成的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e10f2f74e201f77f853e9ed9078615c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0660d4864c16652a6b27337462b3f1.png)
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2 . 太极图被称为“中华第一图”,它是由黑白两个鱼形纹组成的图案,俗称阴阳鱼.太极图展现了一种相互转化,相对统一的和谐美.现定义:能够将圆O的周长和面积同时等分成两个部分的函数称为圆O的一个“太极函数”.设圆
,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/cc814d55-0c43-4c6a-b86b-7b8fb351034c.png?resizew=97)
①函数
是圆O的一个“太极函数”;
②若函数
是圆O的“太极函数”,则
;
③函数
的图像关于原点中心对称是
为圆O的“太极函数”的充要条件;
④圆O的所有非常值函数的太极函数都不能为偶函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/cc814d55-0c43-4c6a-b86b-7b8fb351034c.png?resizew=97)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a85220d242125e339abc321f00f0c3f.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569031cbf1ff2393441b10245edcf25c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbcf4f1a69058c604f9405413f3d71f.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④圆O的所有非常值函数的太极函数都不能为偶函数.
A.①② | B.①③ | C.①②③ | D.①②④ |
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3 . 设函数
,若函数
有三个零点
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e2f2415a6ac234e4dbe96ce67b6747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b53f4a3ffbb7b9bd4973afe834b8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf5e83e5f81ed1e865e5222fb069d05.png)
A.9 | B.10 | C.11 | D.12 |
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4 . 已知函数
,给出下列四个判断:①函数
的值域是
;②函数
的图像时轴对称图形;③函数
的图像时中心对称图形;④方程
有实数解.其中正确的判断有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3318ee7c7c5e170bf253c70affcc2b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb512cf73456084224bbcdd64d47f440.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2020-01-09更新
|
602次组卷
|
4卷引用:2018年上海市延安中学高考三模数学试题
2018年上海市延安中学高考三模数学试题上海市上海交通大学附属中学2021届高三上学期期末数学试题(已下线)1.1 命题及其关系基础练-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)(已下线)第1章《直线与方程》 培优测试卷(一)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
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5 . 如图所示,在平面直角坐标系
上放置一个边长为1的正方形
,此正方形
沿
轴滚动(向左或者向右均可),滚动开始时,点
在原点处,例如:向右滚动时,点
的轨迹起初时以点
为圆心,1为半径的
圆弧,然后以点
与
轴交点为圆心,
长度为半径……,设点
的纵坐标与横坐标的函数关系式是
,该函数相邻两个零点之间的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/01c11601-f807-45b7-9968-d034000446c4.png?resizew=174)
(1)写出
的值,并求出当
时,点
轨迹与
轴所围成的图形的面积
,研究该函数的性质并填写下面的表格:
(2)已知方程
在区间
上有11个根,求实数
的取值范围
(3)写出函数
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a351136b18bc7d3bd5122332772ab23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a351136b18bc7d3bd5122332772ab23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d38feaa3d6708194d17be61f993416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/01c11601-f807-45b7-9968-d034000446c4.png?resizew=174)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4085d75226508993c77be579fdf449b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
函数性质 | 结论 | |
奇偶性 | ||
单调性 | 递增区间 | |
递减区间 | ||
零点 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667a6aedacb7d0f9865a42f8415e96ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd82e1bc45770fab82beca3190b05c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a79e9ca588a4eb635c7df03024f3fb6.png)
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6 . 如图所示,在平面直角坐标系
上放置一个边长为1的正方形
,此正方形
沿
轴滚动(向左或向右均可),滚动开始时,点
位于原点处,设顶点
的纵坐标与横坐标的函数关系式
,
,该函数相邻两个零点之间的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/d07138f5-4ee1-4bda-a6df-a8346497b3bd.png?resizew=140)
(1)写出
的值并求出顶点
到
的最小运动路径的长度
的值;
(2)写出函数
,
,
的表达式;并研究该函数除周期外的基本性质(无需证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a351136b18bc7d3bd5122332772ab23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a351136b18bc7d3bd5122332772ab23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/d07138f5-4ee1-4bda-a6df-a8346497b3bd.png?resizew=140)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658dc8efb55b493aca9bca9b146932cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a66346e84a177ea40e1e1e71481be36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
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7 . 对于两条平行直线
、
(
在
下方)和图象
有如下操作:将图象
在直线
下方的部分沿直线
翻折,其余部分保持不变,得到图象
;将图象
在直线
上方的部分沿直线
翻折,其余部分保持不变,得到图象
:再将图
在直线下方的部分沿直线
翻折,其余部分保持不变,得到图象
;再将图象
在直线
上方的部分沿直线
翻折,其余部分保持不变,得到图象
;以此类推…;直到图象
上所有点均在
、
之间(含
、
上)操作停止,此时称图象
为图象
关于直线
、
的“衍生图形”,线段
关于直线
、
的“衍生图形”为折线段
.
(1)直线型
平面直角坐标系中,设直线
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7712260b9136c187e571f2e52b07ff.png)
①令图象
为
的函数图象,则图象
的解析式为
②令图像
为
的函数图象,请你画出
和
的图象
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/8bf8f6d6-91ee-4f7e-acda-5423f6753233.png?resizew=380)
③若函数
的图象与图象
有且仅有一个交点,且交点在
轴的左侧,那么
的取值范围是_______.
④请你观察图象
并描述其单调性,直接写出结果_______.
⑤请你观察图象
并判断其奇偶性,直接写出结果_______.
⑥图象
所对应函数的零点为_______.
⑦任取图象
中横坐标
的点,那么在这个变化范围中所能取到的最高点的坐标为(_______,_______),最低点坐标为(_______,_______).
⑧若直线
与图象
有2个不同的交点,则
的取值范围是_______.
⑨根据函数图象,请你写出图象
的解析式_______.
(2)曲线型
若图象
为函数
的图象,
平面直角坐标系中,设直线
,直线
,
则我们可以很容易得到
所对应的解析式为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/70a2b9bc-043f-460f-bbc7-52b4eb8ed5f5.png?resizew=367)
①请画出
的图象,记
所对应的函数解析式为
.
②函数
的单调增区间为_______,单调减区间为_______.
③当
时候,函数
的最大值为_______,最小值为_______.
④若方程
有四个不同的实数根,则
的取值范围为_______.
(3)封闭图形型
平面直角坐标系中,设直线
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25081197c462bd7f03cc67c35c85593d.png)
设图象
为四边形
,其顶点坐标分别为
,
,
,
,四边形
关于直线
、
的“衍生图形”为
.
①
的周长为_______.
②若直线
平分
的周长,则
_______.
③将
沿右上方
方向平移
个单位,则平移过程中
所扫过的面积为_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a12119eba9da5c32568de5832ff04c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a12119eba9da5c32568de5832ff04c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16365b04bc8aa6787782e0aef019342d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc6caaae3d88eaf009ae496d2788134.png)
(1)直线型
平面直角坐标系中,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ba5c616b58eb33dbd5a2690f003f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7712260b9136c187e571f2e52b07ff.png)
①令图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
②令图像
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/8bf8f6d6-91ee-4f7e-acda-5423f6753233.png?resizew=380)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76ba1c1cef5f0e6efdca5e436122412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
④请你观察图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
⑤请你观察图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
⑥图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
⑦任取图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56628de19272fbf3803dfa8d617ba779.png)
⑧若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50683751e9dcd7b55555b53785f61a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑨根据函数图象,请你写出图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
(2)曲线型
若图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c962d7485825381801f1ebf56a37ec.png)
平面直角坐标系中,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ba5c616b58eb33dbd5a2690f003f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7712260b9136c187e571f2e52b07ff.png)
则我们可以很容易得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cffe34fde5a4f8ed96b1394acad8b4c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/70a2b9bc-043f-460f-bbc7-52b4eb8ed5f5.png?resizew=367)
①请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8160ade472b89421f8009fd0cd3926a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
④若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99d3ec153c1dd00d0185bc14b4f56b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)封闭图形型
平面直角坐标系中,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239ea6e5fa7672c43a45ebb4c3757370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25081197c462bd7f03cc67c35c85593d.png)
设图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b978a095d4bac4da3a807575d9b35e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847fea08d7cb36942bd5028b2cb7707e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae4febd9d6318cb2cfd23ac9dd2922e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2c5dbea60dd70fbbeb390c094859cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b978a095d4bac4da3a807575d9b35e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
②若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a806c58799f9bac6c601aee7aad5bb8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
③将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47341a477c35b3044c5519ea8404494d.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
满足
,若在区间
内关于
的方程
恰有4个不同的实数解,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d1a4290c2d25cdfb5d75c56733be47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/556bf9eaefe9c35942c2ee94934e2104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8254a9fe09d5e3940ad8c1c1c62c105c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b22cc17843756181b5181503e39ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-05-09更新
|
1256次组卷
|
6卷引用:【全国百强校】天津南开中学2019届高三第五次月考文科数学试题
【全国百强校】天津南开中学2019届高三第五次月考文科数学试题2020届江西省五市八校协作体高三第一次联考理科数学试题2020届山东济宁市兖州区高三网络模拟考试数学试题(已下线)第3篇——函数及其应用-新高考山东专题汇编江苏省无锡市江阴市青阳中学2020-2021学年高三上学期第二次段考数学试题(已下线)专题01 函数(第二篇)-备战2020高考数学黄金30题系列之压轴题(新课标版)
名校
9 . 已知函数f(x)是定义在R上的奇函数,且当x≤0时,f(x)=x2+2x.
![](https://img.xkw.com/dksih/QBM/2019/1/8/2114189271760896/2115174370729984/STEM/bb34c31c054f432d9ee4a50926f6786b.png?resizew=290)
(1)现已画出函数f(x)在y轴左侧的图象,如图所示,请补全函数f(x)的图象;
(2)求出函数f(x)(x>0)的解析式;
(3)若方程f(x)=a恰有3个不同的解,求a的取值范围.
![](https://img.xkw.com/dksih/QBM/2019/1/8/2114189271760896/2115174370729984/STEM/bb34c31c054f432d9ee4a50926f6786b.png?resizew=290)
(1)现已画出函数f(x)在y轴左侧的图象,如图所示,请补全函数f(x)的图象;
(2)求出函数f(x)(x>0)的解析式;
(3)若方程f(x)=a恰有3个不同的解,求a的取值范围.
您最近一年使用:0次
2019-01-09更新
|
1142次组卷
|
9卷引用:【市级联考】河南省驻马店市2018-2019学年高一上学期期中考试数学试卷
【市级联考】河南省驻马店市2018-2019学年高一上学期期中考试数学试卷人教A版(2019) 必修第一册 突围者 第三章 3.2课时3 奇偶性河南省郑州市106中学2019-2020学年高一上学期9月月考数学试题河南省淮阳县陈州高级中学2019-2020学年高一上学期期中考试数学试题(已下线)练习3+函数的概念与性质-2020-2021学年【补习教材·寒假作业】高一数学(人教A版2019)(已下线)第三章 函数的概念和性质(章末测试)-【上好课】2021-2022学年高一数学同步备课系列(人教A版2019必修第一册)湖南省邵阳市第二中学2021-2022学年高一上学期期中数学试题青海省海南藏族自治州高级中学2022-2023学年高三上学期10月月考数学(理)试题湖南省株洲市第二中学2021-2022学年高一上学期期中数学试题
10 . 已知函数f(x)=
若|f(x)|≥ax,则a的取值范围是( )
![](https://img.xkw.com/dksih/QBM/2017/9/20/1778180324081664/1779374312292352/STEM/291ad808e78c41c88e29f8ff8d9b091b.png?resizew=116)
A.(-∞,0] | B.(-∞,1] | C.[-2,0] | D.[-2,1] |
您最近一年使用:0次