名校
1 . 已知函数
=
=
.
(1)求函数
的单调递增区间;(只需写出结论即可)
(2)设函数
=
,若
在区间
上有两个不同的零点,求实数
的取值范围;
(3)若存在实数
,使得对于任意的
,都有
成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c52d418f7c783d96568d75dd9315917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc2340039d02585c32cc7ab2b6ee768.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6c8b2a543df633d7ec8a3bd3c1ebb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9a28c7901ea9c064d720a53cb4390d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6c8b2a543df633d7ec8a3bd3c1ebb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a49e8b6efab71f87117d432ec839f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aaa2f684fd56f0b8764435ee0021c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da82e939fd7b62eccb4ca412c3d9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5864ff72dc4c7307197197220ed7049e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-01-20更新
|
712次组卷
|
2卷引用:福建省永安一中、德化一中、漳平一中2017-2018学年高一上学期第二次联考数学试题
名校
2 . 已知定义在
上的偶函数
满足:当
时,
.
(1)求函数
的解析式;
(2)设函数
,若对于任意的
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89362ed5bb0c2fe6ba239db66a2e4705.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5757174c9f6774f9ba3dcfe309f0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f384fb5cb4dacb5435bb98dc2b2213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2645e55f36b5b088a029f2f680a57005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-12-14更新
|
2708次组卷
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4卷引用:山西省临汾第一中学2017-2018学年高一上学期第二次调研(期中)考试数学试题
名校
3 . 已知函数
的定义域为
,对任意实数
,都有
.
(1)若
,
,且
,求
,
的值;
(2)若
为常数,函数
是奇函数,
①验证函数
满足题中的条件;
②若函数
求函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c75a15990fdcf1de0a9ac9f475e3c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ce23d4f9f61a8b1f99d11f4cd2c1d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220430600b71ba8057b7f81d277cc309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7876ccb520940c4cb07b1143bd4cd8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4da8059c1c6ed9fddc9116d4b1093e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f81f2a0196b06fc56a7e8a6463d179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d051e8238ca52f69ae18717e6d99f60.png)
①验证函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eebc1ccef9788cfce4c91a8f31327e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57bb9345b7879da51dc093a0992a65b6.png)
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2017-11-21更新
|
910次组卷
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4卷引用:四川省成都七中2020届高一上半期期中数学试题
名校
4 . 已知
且
,函数
.
(1)求
的定义域
及其零点;
(2)讨论并用函数单调性定义证明函数
在定义域
上的单调性;
(3)设
,当
时,若对任意
,存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285e430d88867fa5ae1aa74195459684.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)讨论并用函数单调性定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba9f0633aba43160508954ea39e6f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6268c4bb70445b2b8cadf4d4136119cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c705822ab0613bf1d8d451b0d5a7a6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8c626afbc95213849e8f122d9b1a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2017-09-07更新
|
753次组卷
|
3卷引用:安徽省六安市第一中学2017-2018学年高二上学期开学考试数学试题
名校
5 . 已知函数
在区间
上单调,当
时,
取得最大值5,当
时,
取得最小值-1.
(1)求
的解析式
(2)当
时, 函数
有8个零点, 求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6317c3d6ce66a0c09cf71eeb281f6148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bf734452fa19c3c36d0f9c2ce52be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ba73ad9ae3aeec05e7cb208737874f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974ebd4eca95b2c441b22f6438ef3129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef47940128ca3209069417a50e386413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-08-15更新
|
2237次组卷
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5卷引用:河南省洛阳市2016-2017学年高一下学期期末考试数学试题
名校
6 . 已知
是定义在
上的奇函数,且
,若
,且
时,有
恒成立.
(Ⅰ)用定义证明函数
在
上是增函数;
(Ⅱ)解不等式:
;
(Ⅲ)若
对所有
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a547418f2bc38da0091f1a4a482fa5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bc2eeaca8a8ce4bcce2bff011a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d01645cf54dd71aa3d55f8f40c9bdaf.png)
(Ⅰ)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(Ⅱ)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1406070019e815c5df30d01a191bb2d3.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc899dff95c6cb8f085e77f2f12f5503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
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2017-07-21更新
|
1046次组卷
|
6卷引用:黑龙江省牡丹江市第一高级中学2016-2017学年高二下学期期末考试数学(文)试题
7 . 函数
是实数集
上的奇函数, 当
时,
.
(1)求
的值;
(2)求函数
的表达式;
(3)求证:方程
在区间(0,+∞)上有唯一解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5e7bf6b10966e5ef8144de6430140b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b530377e3fe56b7988935dd73d9dccd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求证:方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
您最近一年使用:0次
2017-06-23更新
|
445次组卷
|
4卷引用:甘肃省天水市第一中学2016-2017学年高二下学期期末考试数学(理)试题
8 . 某湿地公园内有一条河,现打算建一座桥将河两岸的路连接起来,剖面设计图纸如下:
![](https://img.xkw.com/dksih/QBM/2017/3/19/1647033146163200/1647946590740480/STEM/30f0c34163754a4a9e5609184b23ac76.png?resizew=489)
其中,点
为
轴上关于原点对称的两点,曲线段
是桥的主体,
为桥顶,且曲线段
在图纸上的图形对应函数的解析式为
,曲线段
均为开口向上的抛物线段,且
分别为两抛物线的顶点,设计时要求:保持两曲线在各衔接处(
)的切线的斜率相等.
(1)求曲线段
在图纸上对应函数的解析式,并写出定义域;
(2)车辆从
经
倒
爬坡,定义车辆上桥过程中某点
所需要的爬坡能力为:
(该点
与桥顶间的水平距离)
(设计图纸上该点处的切线的斜率),其中
的单位:米.若该景区可提供三种类型的观光车:①游客踏乘;②蓄电池动力;③内燃机动力.它们的爬坡能力分别为
米,
米,
米,又已知图纸上一个单位长度表示实际长度
米,试问三种类型的观光车是否都可以顺利过桥?
![](https://img.xkw.com/dksih/QBM/2017/3/19/1647033146163200/1647946590740480/STEM/30f0c34163754a4a9e5609184b23ac76.png?resizew=489)
其中,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974bc22aed322f940bdd8a83de869edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e04a5b59cced25ab7057d03fe3c0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e04a5b59cced25ab7057d03fe3c0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fed19e09b52266a544aebf9077a1270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a1008494918681c42448ebef61dea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/974bc22aed322f940bdd8a83de869edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc96ce462f6a456c6993588e8edb0af2.png)
(1)求曲线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
(2)车辆从
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b237a5e4df47a0a2cf6c468d39085bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2468403b3eba9e40bfa36f464e927738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1452ad51bc851e39fb45acb2825089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b418f716e6ea876faa7b003b8af56044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/742145c3bfb5281e2e583e6405a3d4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67f08d5e69543f99644ac3c8974c5b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
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2017-03-20更新
|
723次组卷
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5卷引用:2017届江苏省如东高级中学高三2月摸底考试数学试卷
名校
9 . 已知关于
的一元二次方程
有两个根,求满足下列条件的
的取值范围.
(1)两个根都小于
;
(2)其中一个根在区间
内,另一个根在区间
内.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62103cc1c152bebbdee6da71ff2de94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)两个根都小于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(2)其中一个根在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72480c8fae3dc057229a7958e9daed74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972cfd3677c0f6342a57d3ab58cf0356.png)
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真题
名校
10 . 对定义域
的函数
,
,规定:
函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa65bd65401e3ba6873eb7b8115cf2a7.png)
(1)若函数
,
,写出函数
的解析式;
(2)求问题(1)中函数
的值域;
(3)若
,其中
是常数,且
,请设计一个定义域为R的函
数
,及一个
的值,使得
,并予以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0606be557187bb410105f7c9e7df32b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa65bd65401e3ba6873eb7b8115cf2a7.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec5c8dcdeb8d4250a258a2f9fee0948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)求问题(1)中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810a58271edb9c987cb9f8bcb562c70c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d204082daeea4b4a5b8396ebf2b80e9e.png)
数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520521462cf21c660b7a28a7d39448fb.png)
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2016-12-04更新
|
1219次组卷
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