名校
1 . 已知函数
,其中
,且
的图象过点
.
(1)求
的值;
(2)求
的单调减区间和对称中心的坐标;
(3)若
,函数
在区间
上最小值为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f680033311d4731d1db8f35d31aac30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9531427f246890e815b7ed47e78daa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8a619e779b6841231af1c34573904d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 已知的数
(
),若
的最小正周期为
,
的图象向左平移
个单位长度后,再把图象上各点的横坐标变为原来的2倍(纵坐标不变)得到函数
的图象,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
____________ ;若
在区间
上有3个零点,则
的一个取值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d683bbf46f0e98c8a5b0879e4465b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ae071199874d9d74a4919a58902f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72728cdc6b1c5521eeba55ca804d2d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
3 . 已知函数
,若
,则直线
与
的图象的交点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190c405a8a581cdd0143625b676a27dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a23dd03e66619068c1288858293fae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43aaa2d429c2c41808d5b0c4e3992aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
名校
解题方法
4 . 在
中,角A,B,C所对的边分别为a,b,c,向量
,
,且
.
(1)求角A的大小;
(2)已知
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ade00b2833800e79475db21c82405d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dc933d61c3666c467905a32cfb52e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2558ead24d56fb372fef95c10fddd3fb.png)
(1)求角A的大小;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41e6e7a547edddcaf55401bfa2de6fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50405194a09def425d582bba828ba94d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31048694d95bd83a31c7b7825410e0de.png)
您最近一年使用:0次
2024-05-23更新
|
732次组卷
|
2卷引用:甘肃省天水市2023-2024学年高一下学期5月期中数学试题
名校
解题方法
5 . 设△ABC的内角A,B,C所对的边分别为a,b,c,则下列结论正确的是( )
A.若![]() ![]() |
B.若![]() |
C.若![]() ![]() ![]() |
D.若![]() |
您最近一年使用:0次
2024-05-23更新
|
886次组卷
|
2卷引用:广东省汕头市潮阳区河溪中学2023-2024学年高一下学期期中考试数学试题
解题方法
6 . 已知函数
,从条件①、条件②、条件③这三个条件中选择一个作为已知,使函数
存在且唯一确定.
(1)求
的值;
(2)若不等式
在区间
内有解,求
的取值范围.
条件①:
;
条件②:
的图象可由
的图象平移得到;
条件③:
在区间
内无极值点,且
.
注:如果选择的条件不符合要求,得0分;如果选择多个符合要求的条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a468856529ad4dc14fe3ea5d5fc5734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0cd47609b9d1865dfff4979161cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adddf2aac7f18a1da24087f80a9d1634.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba7d594fa4f3835fe9a352c21fe6ed1.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e474e41eb2a59bd4cd54f94ceff584a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aaaf5d3873ee2a0e0dabdbdb352a80.png)
注:如果选择的条件不符合要求,得0分;如果选择多个符合要求的条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
解题方法
7 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ed9db9eb20a880a67481d76692399.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe50432033e610f3e7db497ff8c25c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716ba954be887cdbeb2617063786becd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510ed9db9eb20a880a67481d76692399.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,内角
,
,
的对边分别为
,
,
,已知
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38bb3565b2f6fb59ba6cf63595c7496a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cad535bd52c639a631558ee2cbf7e36.png)
A.![]() ![]() ![]() | B.![]() |
C.![]() ![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
解题方法
9 . 三角形
中,角
的对边分别为
,且
.
(1)求
;
(2)若
边上的中线长为2,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5842fad191abec1f8aaddf7d6fb8f4e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
10 . 已知
,
都是定义在
上的函数,若存在实数
,
使
对任意
都成立,则称
为
,
在
上生成的函数.
(1)判断函数
是否为
,
在
上生成的函数,说明理由;
(2)判断函数
是否为
,
在
上生成的函数,说明理由;
(3)若
为
,
在
上的一个生成函数,且
,
,
的最小值为
,
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729931309ac6f289df121906c94c56b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e8d86966246544bbad67e3ad277da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e663a09cdcde628b5633a6ab07dd55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96101eb5dce02c0213ad008413f3066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96101eb5dce02c0213ad008413f3066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fcab1e3be501bf07bb47967c585282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
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