1 . 某同学用“五点法”画函数
在某一周期内的图像时,列表并填入的部分数据如下表:
(1)请填写上表的空格处;并画出函数
图像或者写出函数
的解析式
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/2fdc6ee5-ae3e-4340-8c22-1bb6ef809af6.png?resizew=197)
(2)将函数
的图像向右平移
个单位,再所得图像上各点的横坐标缩小为原来的
,纵坐标不变,得到函数
的图像,求
的单调递增区间;
(3)在(2)的条件下,若
在
上恰有奇数个零点,求实数
与零点个数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700139c95bcc630cf76137afe8033c50.png)
![]() | ![]() | ![]() | ![]() | ||
![]() | 0 | ![]() | π | ![]() | 2π |
![]() | 0 | 1 | 0 | -1 | 0 |
![]() | 0 | ![]() | 0 | 0 |
(1)请填写上表的空格处;并画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f1e9f8b0838014d5fc413dcea7f7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f1e9f8b0838014d5fc413dcea7f7e7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/2fdc6ee5-ae3e-4340-8c22-1bb6ef809af6.png?resizew=197)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23113994956fe7c5c3a344a0d2a473a2.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da21f0f517988840d2b64da208e0c528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d46612ff8e4b935b2d8b7822e341a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2卷引用:上海市徐汇区2020-2021学年高一下学期期中数学试题
名校
2 . 已知实数
不全为0,给定函数
,
.记方程
的解集为
,方程
的解集为
,若满足
,则称
为一对“太极函数”.问:
(1)当
,
时,验证
是否为一对“太极函救”;
(2)若
为一对“太极函数”,求
的值;
(3)已知
为一对“太极函数”,若
,
,方程
存在正根
,求
的取值范围(用含有
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2dc5e8ebfa8da32865ab969009a95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e747c6b39c2ebda5cbdcd538f900e6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a69420e144ec7e63fd57a190aa14329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea70d507728e453b45ffa62e5102f70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3卷引用:上海市上海中学2021-2022学年高一上学期期中数学试题
名校
3 . 已知函数
,函数
,设
.
(1)求证:
是函数f(x)的一个周期;
(2)当k=0时,求F(x)在区间
上的最大值;
(3)若函数F(x)在区间
内恰好有奇数个零点,求实数k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07699d9a8a6a1770b7ae08897abac853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4a029e4c4f50133090661fbcf09654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(2)当k=0时,求F(x)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e491151109a22b53131ba3203da29837.png)
(3)若函数F(x)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
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5卷引用:上海市西南位育中学2020-2021学年高一下学期期中数学试题
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解题方法
4 . 已知函数
(其中
为常数,且
)有且仅有三个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d42782904f14571076d9c2bd10443e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fdd965a7d851f528f6d181bd7225b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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4卷引用:上海市徐汇区2020-2021年高一下学期期末数学试题
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5 . 若存在实常数
和
,使得
和
对其公共定义域上的任意实数
都满足:
和
恒成立,则称此直线
为
和
的“分隔直线”.已知函数
,
,若
和
之间存在“分隔直线”,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21a7730d9983b6e8738a091c505d558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2907f541536d6a8776aba673bcad77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf40790cd7ed84b8a45dccde23c36e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9019c3f533e2c66b97998e6e84ba0d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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5卷引用:上海市上海中学2022届高三上学期期中数学试题
上海市上海中学2022届高三上学期期中数学试题河南省洛阳市2021届高三四模理科数学试题(已下线)第03讲 函数的单调性(教师版)-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第一册)福建省龙岩市第一中学2021-2022学年高一上学期第一次月考数学试题(已下线)考点05 函数的基本性质-备战2022年高考数学典型试题解读与变式
名校
解题方法
6 . 已知集合
{
对于
存在
,使得
成立}.
(1)判断
和
是否属于集合
,并说明理由;
(2)设
,求实数
的取值范围;
(3)已知
时,
,且对任意
,恒有
,令
,
,试讨论函数
,
的零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc163d35aa285e48bcc21d6e392b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d835a5659ac57b40898658618f031f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3102c0a2f53b80f9dddbf9352537e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09618615939ec0a06784144d6c132e60.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5505d1d2ae193b43ea6a913925e9f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71778824f7891b349a03b7893107e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb9e08269495438f43642aab22b0848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761e111df6ee9147b9353398e6315d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08869ffa8b997472fbc4deee60ae0d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b2977619f17b2e75bcb46da2de6662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64b7abcb84f0188272b1fc8d00ed4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08869ffa8b997472fbc4deee60ae0d3.png)
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5卷引用:上海市南洋中学2022届高三上学期开学考数学试题
上海市南洋中学2022届高三上学期开学考数学试题上海市进才中学2020-2021学年高一上学期期末数学试题上海市黄浦区格致中学2020-2021学年高一下学期3月月考数学试题(已下线)期末模拟卷-【A+课堂】2021-2022学年高一数学同步精讲精练(沪教版2020必修第一册)上海市吴淞中学2022-2023学年高二上学期开学考数学试题
名校
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4749985beebb82af49bf81daed263b91.png)
在区间
上的最大值为
,最小值为
,记
,
;
(1)求实数
、
的值;
(2)若不等式
对任意
恒成立,求实数
的范围;
(3)对于定义在
上的函数
,设
,
,用任意![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
将
划分成
个小区间,其中
,若存在一个常数
,使得不等式
恒成立,则称函数
为在
上的有界变差函数,试证明函数
是在
上的有界变差函数,并求出
的最小值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4749985beebb82af49bf81daed263b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a248e47163191168a1b363937eebd618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764252096a427d22e7806422c0bff54f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c5e6b1cf8b9ace30d26f232da3dac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)对于定义在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627565d32e529cafcd2744d006ec6de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1ed40a8f67e93401e544284ceaaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc272934625d1232ad34eedc6b23267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752c287b0680a053e18be60f6e34ebba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ea8f47d8d8d9e1832d52b1c7425450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1b6d5c6b222d95759ea7d39f0b908f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627565d32e529cafcd2744d006ec6de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b09511efe31176effed50209b4aa5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ebdc149b08516cd919af29a3ffa6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1ed40a8f67e93401e544284ceaaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627565d32e529cafcd2744d006ec6de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2020-01-07更新
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5卷引用:上海市南洋中学2021届高三下学期3月月考数学试题
上海市南洋中学2021届高三下学期3月月考数学试题2017年上海市金山区高考一模数学试题(已下线)课时13 函数的基本性质-2022年高考数学一轮复习小题多维练(上海专用)(已下线)专题05 二次函数(模拟练)重庆市黔江中学校2023-2024学年高一上学期12月月考数学试卷
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8 . 对于函数
,若存在实数
,使得
为
上的奇函数,则称
是位差值为
的“位差奇函数”.
(1)判断函数
和
是否为位差奇函数?说明理由;
(2)若
是位差值为
的位差奇函数,求
的值;
(3)若
对任意属于区间
中的
都不是位差奇函数,求实数
、
满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8294c449b634999ac3cabc9cae61a6a.png)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c07bd1bced5e02c11b99392f9526f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557eb194cf0abe382609f8e1325b4197.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ea070a08757077f748e0b631168483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fcb191ae5bd6f145a5bd88b73bfd73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa16f48d27068d2bf6313af3cb44515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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9 . 已知函数
满足
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d4b7653c35b41896f036addfd1357a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a922cd2503425b6f9b5e0e479ef90927.png)
A.![]() | B.2 | C.![]() | D.4 |
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10 . 已知函数
,
R.
(1)证明:当
时,函数
是减函数;
(2)根据
的不同取值,讨论函数
的奇偶性,并说明理由;
(3)当
,且
时,证明:对任意
,存在唯一的
R,使得
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db04bee3cf15e611c7d075e94c81f3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44c45ef0334070fc149b452dee26ae5.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d70009d48ea5ed5e20cc5eff3d557e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e98270c191e5f66258c28bd405e303d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5375644591ff29be67294507ed6765b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2b5ef1471a701ff78427973fd7477f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2a5df11ade17e48018053b2af71922.png)
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