名校
1 . 设函数
是定义在R上的奇函数,当
时,
.
(1)求
在R上的解析式;
(2)设
,若对任意
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaa5b750211a0524fd66498aa0e8a57.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdd3466e21a022c70bfa34ccc1a2e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0879734ee766cb630cfeb3f25fea7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-12-21更新
|
1479次组卷
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4卷引用:陕西省渭南市韩城市2018-2019学年高一上学期期末数学试题
名校
2 . 已知函数f(x)=log4(4x+1)+kx(k∈R)是偶函数.
(1)求k的值;
(2)若函数y=f(x)的图象与直线y=
x+a没有交点,求a的取值范围;
(3)若函数h(x)=
+m•2x-1,x∈[0,log23],是否存在实数m使得h(x)最小值为0,若存在,求出m的值;若不存在,请说明理由.
(1)求k的值;
(2)若函数y=f(x)的图象与直线y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
(3)若函数h(x)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33f48ac4fef5151e0d46765acfc233a.png)
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2019-12-02更新
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10卷引用:四川省成都市双流中学2019-2020学年高一上学期期中数学试题
四川省成都市双流中学2019-2020学年高一上学期期中数学试题【全国百强校】云南省玉溪第一中学2018-2019学年高二上学期期中考试数学(理)试题【全国百强校】云南省玉溪市一中2018-2019学年高二上学期期中考试数学(理)试题【校级联考】湖北省武汉市四校联合体2017-2018学年高一上期末数学试题广东省实验中学2019-2020学年高一上学期12月月考数学试题人教B版(2019) 必修第二册 逆袭之路 第四章 指数函数、对数函数与幂函数 整合提升湖北省武汉中学2021-2022学年高一上学期12月月考数学试题1湖北省武汉中学2021-2022学年高一上学期12月月考数学试题2指对函数综合问题广西河池市罗城仫佬族自治县高级中学2021-2022学年高一上学期线上教学质量检测数学试题
名校
3 . 已知
为偶函数.
(1)求实数
的值,并写出
在区间
上的增减性和值域(不需要证明);
(2)令
,其中
,若
对任意
、
,总有
,求
的取值范围;
(3)令
,若
对任意
、
,总有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d39e0779c362601dbbda588e27403f5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d0217f0830caf9d0e68b5b3684a835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfd9de2b5573fbb81fe1b7e18c0c30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1559261b3df5850d77bb40644c79928f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f22533a605adde3211191df57362a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33d1b59bea5b9a0e1298014a6cf0466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
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2019-11-15更新
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837次组卷
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3卷引用:四川省成都市外国语学校2019-2020学年高一上学期12月月考数学试题
名校
4 . 已知函数
,设其最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(1)求
;
(2)若
,求a以及此时
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdac28c4c4436ae735bbf02271bb29d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982ecaa2793a1b8fc2c4596f3b9a506c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2019-09-18更新
|
1067次组卷
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4卷引用:四川省宜宾市叙州区第一中学校2019-2020学年高一下学期第四学月考试数学(文)试题
名校
解题方法
5 . 已知函数
是定义在R上的奇函数,当
时,
.
(Ⅰ)求函数
在R上的解析式;
(Ⅱ)若
,函数
,是否存在实数m使得
的最小值为
,若存在,求m的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9529bc72d1b9e5d1eb1996785a0b8483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86099e804d5105c9b5a2b1b2ad407f5e.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc2ffdaaf2306fb0279a97a931022fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb718886f7b401c83a62b7468844f59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8df65891fe8c9b97164880b7f331f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10402e4ddd0d323cc1ae83801ae976db.png)
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2019-04-07更新
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3卷引用:【市级联考】四川省泸州市2018-2019学年高一上学期期末统一考试数学试题
名校
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf4bc025a29adc7bfdb6818ee8b9e3d.png)
(1)若
恒成立,求a的取值范围;
(2)若
的最小值为
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf4bc025a29adc7bfdb6818ee8b9e3d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29418e5014731850c55565b6bf47aa41.png)
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2019-02-17更新
|
390次组卷
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2卷引用:【市级联考】四川省资阳市2018-2019学年高一(上)期末考试数学试题
10-11高三上·四川成都·阶段练习
7 . 已知函数
.给出下列命题:①
必是偶函数;②当
时,
的图像必关于直线x=1对称;③若
,则
在区间
上是增函数;④
有最大值
. 其中正确的序号是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1124bdfc04fe6e296c39da7ee4c5640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90273593dca08da1b9e33e3a8663c514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8e281e0aebdba052969bf11cf86430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://img.xkw.com/dksih/QBM/2010/9/23/1569838391599104/1569838396899328/STEM/ba691d1458bb44de872b0f4f4d5697fa.png?resizew=52)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328622db9462229e5104c43f125a67d4.png)
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2019-01-30更新
|
1504次组卷
|
5卷引用:成都市玉林中学2010—2011学年度(上学期)诊断性评价模拟试卷(理科)
(已下线)成都市玉林中学2010—2011学年度(上学期)诊断性评价模拟试卷(理科)(已下线)2012-2013学年山西省忻州一中高一上学期期末数学试卷人教A版(2019) 必修第一册 突围者 第三章 模拟高考(已下线)人教B版2019必修第一册综合测试(基础过关)-2020-2021学年高一数学单元测试定心卷(人教B版2019必修第一册)新疆维吾尔自治区和田地区墨玉县2023届高三上学期期中教学情况调研数学(文)试题
8 . 已知函数
是定义在R上的奇函数.
求实数k的值;
若
,不等式
对任意的
恒成立,求实数t的取值范围;
若
且
在
上的最小值为0,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94b91dca0306e19fdc2a609572f7a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63dd37de8fa5964b3db35932c740c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cc96e99b8b7a398b908a5a5330eb93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f1a3feca6218955446108ebad0a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0149a86bdc6d233b1c59bd49991af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b549d870cffce461055a191c5baf14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fe868d4152f599a9ae5a0dae150cb0.png)
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2019-01-27更新
|
577次组卷
|
2卷引用:【市级联考】四川省宜宾市2018-2019学年高一秋季期教学质量监测数学试题
名校
解题方法
9 . 已知函数
,对任意a,
恒有
,且当
时,有
.
Ⅰ
求
;
Ⅱ
求证:
在R上为增函数;
Ⅲ
若关于x的不等式
对于任意
恒成立,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ab39f22cd2a6081356f2532c1d0095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c62e8677ea5b1613cd4d15dc5ebe0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f019ced15fee01049607a897aae83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f8ea426c5c889a0486ce554a4a438a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd0cca5ac040e300930067f5765fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bef5d5f5e55c4ac836ba04284b3c2b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0632d6e3f3462ae16dbff9050f74da.png)
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2019-01-20更新
|
3670次组卷
|
6卷引用:四川省宜宾市叙州区第一中学2019-2020学年高一上学期期中数学试题
10 . 已知函数
且
为偶函数,且
.
(1)求
的解析式;
(2)令函数
,是否存在实数
,使得
的最小值为
,若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb436ffe8c6121bd9c482e5235a76c34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f28dac95404e7220df8be91be93f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)令函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa31f87278825ddb8aecf8e27a97f806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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