名校
1 . 给出集合
对任意
,都有
成立
.
(1)若
,求证:函数
;
(2)由于(1)中函数
既是周期函数又是偶函数,于是张同学猜想了两个结论:
命题甲:集合
中的元素都是周期为6的函数;
命题乙:集合
中的元素都是偶函数;
请对两个命题给出判断,如果正确,请证明;如果不正确,请举反例
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305c81b6a05c983ef0dd04962d546bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b005e1e4b8e41c0028cd464835c464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d6c8ce1327c39675b26deeb0cfa49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5314a9d2205a2beba0dcffb8fd943b18.png)
(2)由于(1)中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d6c8ce1327c39675b26deeb0cfa49c.png)
命题甲:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
命题乙:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
请对两个命题给出判断,如果正确,请证明;如果不正确,请举反例
您最近一年使用:0次
2 . 对于定义域为R的函数
,若存在常数
,使得
是以
为周期的周期函数,则称
为“正弦周期函数”,且称
为其“正弦周期”.
(1)判断函数
是否为“正弦周期函数”,并说明理由;
(2)已知
是定义在R上的严格增函数,值域为R,且
是以
为“正弦周期”的“正弦周期函数”,若
,且存在
,使得
,求
的值;
(3)已知
是以
为一个“正弦周期”的“正弦周期函数”,且存在
和
,使得对任意
,都有
,证明:
是周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094f977194228bed828f3507f5898934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37dd12a44398c1da043894287ed73951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a24462399b3f0a55f56ee64f2eace7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a198d1e1aad38ac00efe0529e6598967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69362920a541bcf343c7e2b6745c9473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c456cf701f55723e8d8f6c06114d9155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c27720b9725aab9069e49693f4ebf1.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1741f5326542c1e7960ffe9a495f2f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
您最近一年使用:0次
3 . 变分法是研究变元函数达到极值的必要条件和充要条件,欧拉、拉格朗日等数学家为其奠定了理论基础,其中“平缓函数”是变分法中的一个重要概念.设
是定义域为
的函数,如果对任意的
均成立,则称
是“平缓函数”.
(1)若
.试判断
和
是否为“平缓函数”?并说明理由;(参考公式:①
时,
恒成立;②
.)
(2)若函数
是周期为2的“平缓函数”,证明:对定义域内任意的
,均有
;
(3)设
为定义在
上的函数,且存在正常数
,使得函数
为“平缓函数”.现定义数列
满足:
,试证明:对任意的正整数
.
(参考公式:
且
时,
.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0477d1ddf513166ff0fabd3ee530f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace257e3f8df8fb9d6b7cd552caaab42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1898b8d7f9852b531bab793d7ed14526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fefc229bf0f2f31967a6207ba0787a.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ebaef33ec95792488f08b953ede2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ab2e5e3dd3a1c768a88eb182b44d9.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6bf90a1bbeea09e1b7206975a99f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b2f6fed0393ea805284e97165adfe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15b0de113b11a0ba267db5121803a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3e9e2c1543e3478ea3bca064fcf900.png)
(参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734ac636f4a1c878bf563fdd2e8ea6d8.png)
您最近一年使用:0次
2024-04-26更新
|
392次组卷
|
3卷引用:云南省昆明市云南师范大学附属中学2023-2024学年高一下学期教学测评期中卷数学试卷
云南省昆明市云南师范大学附属中学2023-2024学年高一下学期教学测评期中卷数学试卷四川省成都市成飞中学2023-2024学年高一下学期5月月考数学试题(已下线)专题10 利用微分中值法证明不等式【讲】
名校
解题方法
4 . 已知函数
的定义域为
,
,
,且
在区间
上单调递减.
(1)求证:
;
(2)求
的值;
(3)当
时,求不等式
的解集.
![](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/f41c7798e8266916b8501e3837194407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707f481ce3097ef1da3af9964bd36bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da1ddf59efd582614505be50e813af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5980a054af3e565d5d0511b14695aaf1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e861f148f57d5bcdd82cd1fec3d594.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a3d8f7ee39ac3245c840a40f8af63d.png)
您最近一年使用:0次
2024-01-24更新
|
362次组卷
|
2卷引用:广东省广州市越秀区2023-2024学年高一上学期期末数学试题
名校
解题方法
5 . 若存在常数
、
,使得函数
对于
同时满足:
,
,则称函数
为“
”类函数.
(1)判断函数
是否为“
”类函数?如果是,写出一组
的值;如果不是,请说明理由;
(2)函数
是“
”类函数,且当
时,
.
①证明:
是周期函数,并求出
在
上的解析式;
②若
,
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121706e56023722591922af58fd1dd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5858dba99d7612311e93a49da16aaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297c81c2628b05a8f67744ddf04e9851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb72ca96da578351e459f9ce3dbe44d.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1417a39c99b1e6b489c7c033a0625af.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc076c7f73dc9b6138bc40252cbbf22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-03-15更新
|
284次组卷
|
2卷引用:湖南省长沙市长郡中学2023-2024学年高一下学期寒假检测(开学考试)数学试题
名校
解题方法
6 . 已知函数
的定义域为
且满足:对任意的
,有
恒成立,则称
为“
”函数.
(1)分别判断
和
是否为“
”函数.(直接写出结果)
(2)若
为
上的“
”函数,且
是以4为周期的周期函数,证明;对任意的
,
,都有:
.
![](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/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592c9cca15bb158d05edb86e674807d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e768f3464f4f52b378075499e067a042.png)
(1)分别判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e768f3464f4f52b378075499e067a042.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e768f3464f4f52b378075499e067a042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475e9df64881c182b77bbd8ccee396f3.png)
您最近一年使用:0次
7 . 设
,对定义在
上的函数
,若存在常数
,使得
对任意
恒成立,则称函数
满足性质
.
(1)判断下列函数是否具有性质
?
①
,②
,③
.
(2)若函数
具有性质
,其中
,求证:函数
具有性质
;
(3)设函数
具有性质
,其中
是奇函数,
是偶函数.若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094f977194228bed828f3507f5898934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3281ac9e36c20d31cf4bc12548b46f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a318eb5a4da016d3d993175e845a90ab.png)
(1)判断下列函数是否具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5d8bc28ee110a9540f383828b7d245.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40dbde013dc2c216be25e00d265fd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736e6a8b3201d57d57d5ccd9613664d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd158c168d914102b14f608d9ed61a33.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc14f4aa8998324c2b74594beaabb3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1686e7fc606fe72d46948677016bf7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8037e4a9f4aadfef393b556f12a83e5.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a318eb5a4da016d3d993175e845a90ab.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/9aa485d54469db584da4fc33346fd92b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb95973233ce656c0a22569078955644.png)
您最近一年使用:0次
8 . 已知x为实数,用
表示不超过x的最大整数.例如
,
,
.若对于函数
,存在实数
且
,使得
,则称函数
是
函数.
(1)直接写出下列式子的值:
;
;
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51d08d325c91669d7dd07d8642c217f.png)
(2)分别判断函数
,
是否是
函数;(只需写出结论)
(3)已知
,请写出一个a的值,使得
是
函数,并给出证明;
(4)定义:对于函数
,如果存在一个不为零的常数T,使得当x取定义域内的每一个值时,
都成立,那么就把
叫做周期函数 ,不为零的常数T叫做这个函数的周期 .如果在所有的周期中存在一个最小的正数,就把它叫做
的最小正周期 .设函数
是定义在R上的周期函数.其最小正周期为T,若
不是
函数.求T的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe1e778c9e668594c42b77459328c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf813e9500eebd474511b865b876ea4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ae4ee70c548e841fd7ceeac3250b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8509800d6fa7569c2e296618e8f38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19ec960e7b486de3916696346501a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
(1)直接写出下列式子的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841778fac3981dcf7a01a824e10e81a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a3c6125742fa147420517b099db105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbce20399f4a7df88f26b7718b90ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51d08d325c91669d7dd07d8642c217f.png)
(2)分别判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0519192532883d560482ad071e7b54c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce786a098b8bc5acec47cdb0fabee22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1982786864f37e6f954e8d70f9970620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
(4)定义:对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7c7b4934410a1727fe7024a6bd740f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
您最近一年使用:0次
9 . 设
是定义在R上的奇函数,且对任意实数x,恒有
.当
时,
.
(1)求证:
是周期函数;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3262781afb71e9dffc0b7fa1fe280cb2.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4c4478f3a2ebe00486ef140af954ef.png)
您最近一年使用:0次
2022-05-03更新
|
681次组卷
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2卷引用:陕西省西安市阎良区关山中学2021-2022学年高一下学期第二次质检(期中)数学试题
名校
10 . 已知函数
,
,如果对于定义域D内的任意实数x,对于给定的非零常数P,总存在非零常数T,恒有
成立,则称函数
是D上的P级递减周期函数,周期为T;若恒有
成立,则称函数
是D上的P级周期函数,周期为T.
(1)判断函数
是R上的周期为1的2级递减周期函数吗,并说明理由?
(2)已知
,
是
上的P级周期函数,且
是
上的严格增函数,当
时,
.求当
时,函数
的解析式,并求实数P的取值范围;
(3)是否存在非零实数k,使函数
是R上的周期为T的T级周期函数?请证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99d26e65e02ba8ec1b10529e5a0253c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab21d3bab25b356abae92e6ff08f7d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f8a6c1737ed4c552a93b0b64e4958.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac920b4fb011075ccd75d7807cca5a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2645398c3946e1a9282c219824f167d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc079255ea327cb71b3bcfe48693d17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37475d9dc070faa59a1801b59d2ec2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)是否存在非零实数k,使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a3ca0dd34a3cd5ca9a5c5055ceee23.png)
您最近一年使用:0次
2022-04-26更新
|
2112次组卷
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10卷引用:上海市闵行区(闵行中学、文绮中学)2021-2022学年高一下学期期中数学试题
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