1 . 已知函数
.
(1)若
,试写出函数
的值域(无需证明);
(2)若
,证明:
;
(3)已知
,且
恒成立,求
零点的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2cd2c4133c7e847e203972dd209119.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b369eb031bad872b0d3a9cf746119f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ece02a1eca34d876ca431b8b06d0d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c726d89e6bd2a1a5c6f682d752ab69e.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c726d89e6bd2a1a5c6f682d752ab69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
2 . 已知函数
,若方程
有解,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2402e35433ca3fcd011709d203598590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb558e17c9818610772917878d82d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-03-09更新
|
1928次组卷
|
9卷引用:突破4.2 指数函数(课时训练)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)
(已下线)突破4.2 指数函数(课时训练)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)天津市南开区2023-2024学年高一上学期阶段性质量监测(一)数学试题福建省龙岩市2022届高三第一次教学质量检测数学试题(已下线)2022年高考考前20天终极冲刺攻略(一)【数学】(新高考地区专用)(已下线)考向10 指数与指数函数(重点)(已下线)考点04 指对幂函数-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)8.7 指数运算及指数函数(精练)河南省信阳市宋基信阳实验中学2023-2024学年高二上学期教学测评(四)数学试题河南省洛阳市偃师高级中学2024届高三上学期1月阶段测试数学试题
21-22高一下·江苏南通·开学考试
名校
解题方法
3 . 已知函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b3507f33c70ab49d30df52c8b82b60.png)
(1)若
的最小值为
,求
的值;
(2)若存在
,使
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63669c403ba7972d296968395ef293de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b3507f33c70ab49d30df52c8b82b60.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac32bfa7f2ef6610bd22bfda1294f5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-02-28更新
|
927次组卷
|
6卷引用:江苏省南通市如皋市2021-2022学年高一下学期期初调研测试数学试题
4 . 已知
,函数
的图象与直线
相交于
,
两点,点
在
轴上.
(1)求
的值,并写出点
的坐标;
(2)当
,求
的最大值和最小值;
(3)若命题“
,都有
”是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048c55392adf8fc7bebcca98e7bb5246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b19ec2a677e3362a65dadaa5566cd27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(3)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde295fa7fa8e12e6f06e2ed510f6a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99c368e6cb0afd2f28d01eb209ba4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
(a是常数).
(1)当a=1时,求证以下两个结论∶
(i)f(x)为增函数(用单调性的定义证明).
(ii)f(x)的图像始终在
的图像的下方.
(2)设函数
,若对任意
,总有
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbac71d5faa4f27403e8f893877f5d34.png)
(1)当a=1时,求证以下两个结论∶
(i)f(x)为增函数(用单调性的定义证明).
(ii)f(x)的图像始终在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eaa8bab66c474ce82054200b6fbaef.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a2da4c5a09c683f3b4e4012860e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5631bc68728bbf17b87c3e7e7f8e425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5175cd5cfeae6662595785d141ed72.png)
您最近一年使用:0次
2021-12-02更新
|
429次组卷
|
2卷引用:福建省福州市福建师范大学附属中学2021-2022学年高一上学期期中考试数学试题
名校
解题方法
6 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若对任意的
,不等式
恒成立,求
的最大值.
(3)对于函数
,若
,
,
,
,
,
,满足
,则
为“可构造三角形函数”,已知函数
是“可构造三角形函数”,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeaac706bcdd57fe55819cd4a7b1e58.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2800d0f4f1b3817b42b6361249a04bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108f1f582ef09427373f92b7b4f2ad8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f276b82d4e984675615cc27f9a764cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b9b582f8426f1269b54ee910b97f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49570402aa09e78a4b821c60e2e6881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12817154884fb1665cd99f7c722bad3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df2d4b60d56bdd78bc6c243fc3711bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
在区间
上有最大值
和最小值
.
(1)求
,
的值;
(2)若不等式
在
时有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5510b0a890526f2ce6e77efa4b211a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
(1)求
![](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/c82fb6df72a1a43360b6d0952ec4f486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-11-25更新
|
1129次组卷
|
3卷引用:辽宁省大连市滨城高中联盟2021-2022高一上学期期中考试数学试题
名校
解题方法
8 . 函数
.
(1)当
时,若
,求函数
的值域.
(2)若函数
在
上有解,求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3d6c4d4b306b2e852034c723496ddf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa16b780156e18f12baa2b8ee0f9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,
(
为自然对数的底数)
(1)记
,若
,
,且
,求
的值.
(2)若
在
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea6d30f5080e0b5abd19388cf692505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5327e5ac13899357a14c4cd68af054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363a5864625d9d64cb2f8ebb18b945ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f05566e6e7d09524b1a594b05061591.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01839b1a4bafa93d789a2e4329653928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21cecadbe407682efadaff8c3d0603f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
.
(1)判断并说明
的奇偶性;
(2)若存在
,使不等式
成立,求实数
的取值范围;
(3)设
,正实数
满足
,且
的取值范围为A,若函数
在
上的最大值不大于最小值的两倍,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f41204f8dec30f5b623004eb536e4bb.png)
(1)判断并说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070f2ee5e48cce77eb4a2cb9f11ccfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baf2dea0ea25625a95e1e24145a62a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a475fec8ded321e10a6697319fb975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeff7f9172d3c285dd02a2b2534951c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d296da9edd95abfe4a886d4c5d6c0b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-13更新
|
693次组卷
|
6卷引用:浙江省舟山中学2021-2022学年高一上学期期中数学试题
浙江省舟山中学2021-2022学年高一上学期期中数学试题浙江省9+1高中联盟2021-2022学年高一上学期期中联考数学试题(已下线)专题6.3 幂函数、指数函数和对数函数 章末检测3(难)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)(已下线)专题10 指数函数与对数函数基础题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)突破4.2 指数函数(课时训练)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)(已下线)高一上学期期中【压轴60题考点专练】(必修一前三章)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)