已知向量
,
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab63c5b5d4a95127d3e2853e6fde9541.png)
(1)求函数
的单调递减区间;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcc864ee9bbe18ada9e8aa111d50113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2943c988b374706a89d3a2d55a64e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab63c5b5d4a95127d3e2853e6fde9541.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd0155ccd00c73a6332400245b4a592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
更新时间:2023-08-02 16:50:34
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相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/22/1977de26-b6db-4057-844f-9353a79a21da.png?resizew=168)
(1)求
的解析式;
(2)若函数
在
上有两个零点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dce04dab35e7d391167b756b7916df7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/22/1977de26-b6db-4057-844f-9353a79a21da.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d740f8863bd0989fbeaf3177206fa193.png)
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【推荐2】设函数
的最小正周期是
,将其图象向左平移
后得到的图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/3a3e53be-f067-4018-a49a-fa77e7e30a4c.png?resizew=168)
(1)求
的值和函数
的单增区间;
(2)令
,且
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6bc5be1f6650405734febefd2d25a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2ebe5c63fdf5e05f807721b26379e8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/3a3e53be-f067-4018-a49a-fa77e7e30a4c.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6bc5be1f6650405734febefd2d25a4.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76fc15da1bc3cd18af86e45bb013def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcf9682bff4fd3faeaa6f2d220c8f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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【推荐3】如图所示,
分别是单位圆与
轴、
轴正半轴的交点,点
在单位圆上,
,点
坐标为(-3,0),平行四边形
的面积为
.
![](https://img.xkw.com/dksih/QBM/2021/7/21/2769114699841536/2778151199064064/STEM/9b2509bf-8303-4954-9d8b-68274ff95550.png?resizew=273)
(1)求
的最大值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18271ef43d1dc2d41de35e1113a6469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8501d0d0917907b3b1a3d73516a1d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/2021/7/21/2769114699841536/2778151199064064/STEM/9b2509bf-8303-4954-9d8b-68274ff95550.png?resizew=273)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/001bd1cc323b30c06aee42b124333f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926413579a78389bae43da2ed725524d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff1a39b4d24e007eada80b8af808b35.png)
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适中
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【推荐1】在
中,角
所对的边分别为
,且满足
,
.
(1)求
的面积;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/99d5573c94dbb26cff4e2b59720f5e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d3249bb162f76416a37c6964c21304.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】设函数
,
(Ⅰ)求函数
的单调增区间,
(Ⅱ)设
ABC的三个内角A,B,C,三个内角的对边分别为
,若锐角C满足
,
且
,求三角形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2035dda8c94a9eab6d8b0797e2f1787a.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6595597d25112f247753397d25bf5080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222cd50dfd45fbca8f5e724a8a9b420e.png)
且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289295fad0d1c11fc74470e8bb0c6be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】设向量
,
,其中
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec258aa49732d04cd2e67f15e4444985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189faedbb89130454ca3fc56924ece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201f6e84279e80b85f394f4d930ed41.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bb3b70b00ebe7a0c45bdd1426a02bb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864ae1ed052913e53388fb1ba9fd5e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7793bfd801e2592b1e1e3f61a308ce.png)
您最近一年使用:0次
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适中
(0.65)
名校
解题方法
【推荐2】已知向量
,
.
(1)若
,
,求
的值;
(2)把函数
的图象先向右平移
个单位,横坐标再变为原来的
(纵坐标不变)得到函数
的图象,若
在区间
上单调递增,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf6e500b4c0d0c9b46ed6ad9729e27e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea420e77b7479f65218e114ff359b6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221d0273863a34e4c82733cf779e5b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d49ec515fb1fdc93ca4dda443326ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614213943e8dd07d30bd01b87dc8f60c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db60e959be980c3bc48cbf4640dbb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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【推荐3】如图,在矩形
中,点E是
的中点,点F在
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/c3785ba1-363d-4923-a8ca-a400e597b5fc.png?resizew=161)
(1)若点F是
上靠近C的三等分点,设
,求
的值;
(2)若
,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/c3785ba1-363d-4923-a8ca-a400e597b5fc.png?resizew=161)
(1)若点F是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf7d609b847747bf24e2e99f17d0b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fd1183dfaeedf6b71d0fb186b337c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb290dffe61bf232ae20c531d8d3d1b.png)
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【推荐1】已知函数
的部分图象如图所示.
的解析式;
(2)将函数
的图象向右平移
个单位长度,得到函数
的图象.
①求函数
的单调递增区间;
②求使
成立的
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
①求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
②求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】已知向量
,
,函数
.
(1)求函数
的单调递增区间;
(2)若关于
的方程
在
上有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ff37ca82335d03c525dbe2aa54c5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc2c8a076b770030963a95fe3f989fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a856548b20797287df5b0f6de0511bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d740f8863bd0989fbeaf3177206fa193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐3】已知函数
.
(1)求函数
在
上的单调递增区间;
(2)将函数
的图象向左平移
个单位长度后得到函数
的图象,若函数
的图象关于点
成中心对称,在
上的值域为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059695debc466403498a1a013956746a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45fb9b07d51f867c482c2803f0bee678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038a4b8c02b12b821fbd0fd69145900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4055ded7fa2bae36a149ba7b6b2b21fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc548dc9512f29922c422da279b3de18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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