解题方法
1 . 已知函数
是定义在
上的增函数,则满足
的
取值
范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e1b05befa58e73163f3909b8f1660d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2bff65728e6d011a1ed5117600fa3e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994254336/STEM/bd2b4f05a1454df5ae7258d85dd0abfb.png)
范围是
A.(![]() ![]() | B.[![]() ![]() | C.(![]() ![]() | D.[![]() ![]() |
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名校
解题方法
2 . 在锐角
中,内角A,B,C所对的边分别为a,b,c,满足
.
(1)求证:
;
(2)若
,求a边的范围;
(3)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8e5ce6c55a720a332a08c07f1a89a1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9563e5c29f03707996eb761fba29ce21.png)
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名校
3 . 已知
,
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
(1)求
的周期和单调递减区间;
(2)设
为常数,若
在区间
上是增函数,求
的取值范围;
(3)设
定义域为
,若对任意
,
,不等式
恒成立,求实数
的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbb45d951aa4c64d07ea0e9394f2df5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1dfdb520f2dd637ccb5606d4695823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e665ca2220e4b27b78a173ff756e1eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4607e9f81a317703cf52ef9dfe685c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce53b7483eef4f0fb3334107acc4e1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbd17006e2625ff6748f6d098ea6573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bf60c5e8996d138198fe74f30ce520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841a7b00bf7477dff488ec7bbe9d8ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-07-15更新
|
1648次组卷
|
7卷引用:四川省仁寿第一中学校南校区2022-2023学年高一下学期期中考试数学试题
四川省仁寿第一中学校南校区2022-2023学年高一下学期期中考试数学试题 贵州省遵义市2021-2022学年高一下学期期末质量监测数学试题贵州省遵义市2021-2022学年高一下学期期末质量监测数学试题江西省赣州市赣县第三中学2022-2023学年高一上学期10月月考数学(理)试题甘肃省白银市靖远县第四中学2022-2023学年高一下学期6月月考数学试题(已下线)高一下学期期末真题精选(压轴60题20个考点专练)-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)
名校
4 . 已知函数
在区间
上是单调函数.
(1)求实数
的所有取值组成的集合
;
(2)试写出
在区间
上的最大值
;
(3)设
,令
,若对任意
,总有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf0c3791ee7e27a6ddec648c37933cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)试写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0490a3eeaee86715ce6f8e66a588ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4815f99c690d84a17412921ccf0358e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac879f6255fb6fa455cac7f18cc70a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3d19a4e13b112f55750c4c44d03426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-23更新
|
886次组卷
|
6卷引用:四川省射洪中学校2022-2023学年高一上学期期中数学试题
5 . 设声强级
(单位
)由公式
给出,其中
为声强(单位
).
(1)求若航天飞机发射时的最大声强是
,求其声强级;
(2)若一般正常人的听觉声强级的范围为
(单位
),求声强级的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb03dee914e665de816ffd1a01b871ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165bdfe1ea63549cd7d3c84b31bfe062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db72d10094c3d5cf2cb4eaa4809a1f8.png)
(1)求若航天飞机发射时的最大声强是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1477fb4eab2b3d8c0522f3dd24b78b.png)
(2)若一般正常人的听觉声强级的范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bd36855e57510e5086efdb9f26eca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca586d4c35ce52dec4b545cf13ee0721.png)
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6 . 已知函数
定义在
上的奇函数,
的最大值为
.
(1)求函数
的解析式;
(2)关于
的方程
在
上有解,求实数
的取值范围;
(3)若存在
,不等式
成立,请同学们探究实数
的所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21aa14b124ce6e9f60e6e65118cf517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720c6191cbe3ae72c1b0b358468e51f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e254a7d08060fb2655d5b07df06e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb59e11145f86dd8a9f5f7973989d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 给出下列四个命题:
(1)函数
的图象过定点(1,0);
(2)函数
与函数
互为反函数;
(3)已知函数
是定义在
上的偶函数,当
时,
,则
的解析式为
;
(4)若
,则
的取值范围是
;
(5)函数
在区间
上单调递减,则
的范围是
;
其中所有正确命题的序号是_________ .
(1)函数
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/802f65255d7e454d8e6566bec967c625.png?resizew=147)
(2)函数
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/ce68c6bcd4cb427297511eadc3189ae5.png?resizew=68)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/166256e5a9bd4becbbe1e7bb8a5b38ff.png?resizew=44)
(3)已知函数
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/eaa72b568a574cf894cdce7439a98311.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/70145857b8614aabbed9251d9c4fb5a9.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/6db0468bab51423683422bc86f241b35.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/69686ab3a9f24caaab18e374a74c37a5.png?resizew=99)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/eaa72b568a574cf894cdce7439a98311.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/940694a60f1542a9b96a24a4f6ae9b61.png?resizew=93)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef807780b7dbc827f1846e7a8cda7d1.png)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/8f4e0b32f2224cc8aee53886df0094bc.png?resizew=14)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/b932f8df800c480f8b8881aae929366d.png?resizew=122)
(5)函数
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/6ca168cca972470eac3dc4a07b34e033.png?resizew=107)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/c2f45da188234463a0727d7a43b3a699.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/5e4ce31da0d04eea9c04be07cd26abe2.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572445988380672/1572445994409984/STEM/2d57206c75b94fc08b2531d102113eb9.png?resizew=36)
其中所有正确命题的序号是
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解题方法
8 . 已知函数
.
(1)求不等式
的解集;
(2)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276246854dd33691f6798db87faeea0b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37dafb12565279285111a5948d835b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知:
,集合B是关于x的不等式
的解集,若
,则实数m的取值范围为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7227fa0f3ca05b4ea17d386a5e59b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7e3073d9d11f88107a1ba336e4f626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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10 . 下列说法中正确的是( )
A.已知函数![]() ![]() ![]() ![]() |
B.函数![]() ![]() |
C.设函数![]() ![]() ![]() ![]() |
D.已知函数![]() ![]() ![]() ![]() ![]() |
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