1 . 已知函数
.
在区间
上的图象,他列出表格,并填入了部分数据,请你帮他把表格填写完整,并在坐标系中画出图象;
(2)已知函数
.
①若函数
的最小正周期为
,求
的单调递增区间;
②若函数
在
上无零点,求
的取值范围(直接写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb53e14aa7225debe814dc53dfa5cb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f998fc8fcf7da2931205de40cd6d4.png)
![]() | ![]() | ![]() | ![]() | ![]() | |
![]() | 0 | ![]() | ![]() | ![]() | |
![]() | 0 | 2 | 0 | 0 |
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a26e8f4212b5aa220abb86fc00902ef.png)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ceecc74c6f1f2bb03d025faa347bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
是定义在R的偶函数,当
时,
.
(1)请画出函数
图象,并求
的解析式;
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6ec28d4e-fa70-441a-aca3-bc53a06205ed.png?resizew=235)
(2)
,对
,用
表示
,
中的最大者,记为
,写出函数
的解析式(不需要写解答过程),并求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119e06d01d35c30f2166624271535bff.png)
(1)请画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/6ec28d4e-fa70-441a-aca3-bc53a06205ed.png?resizew=235)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb38f882b0c43421f768b42bc69552b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2436715f7e189af4171b7b259705d1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c694cf892ee07daa54bdd9f2fb421e2.png)
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解题方法
3 . 已知定义在R上的奇函数
,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/a17a9948-6bf6-4aa1-b935-475ffba8ce10.png?resizew=156)
(1)在给出的坐标系中画出
的图象(网格小正方形的边长为1);
(2)求函数
在R上的解析式,并写出函数
的值域及单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15308be822e4af7bc4054e7aa4c50e80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/a17a9948-6bf6-4aa1-b935-475ffba8ce10.png?resizew=156)
(1)在给出的坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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23-24高二上·北京·期末
名校
4 . 在平面直角坐标系中画出方程
表示的曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23d97f6bef4032d435ca2c5a09d89d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/59691968-2b31-4346-b1f2-948c849ad3db.png?resizew=241)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
.
(1)在给出的坐标系中作出
的图象;
(2)根据图象,写出
的单调区间;
(3)试讨论方程
的根的情况.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773e54771c93e3874dd29755b1b3a99f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/43282894-16f2-4a59-afac-2d32151aca06.png?resizew=205)
(1)在给出的坐标系中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)根据图象,写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(3)试讨论方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10259beda34cefa666487471715539fd.png)
您最近一年使用:0次
6 . 已知二次函数
的图象过原点,且满足
.
(1)求
的解析式;
(2)在平面直角坐标系中画出函数
的图象,并写出其单调递增区间;
(3)对于任意
,函数
在
上都存在一个最大值
,写出
关于
的函数解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa7ce6983a3147fee5418459cf7d7ef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/fe85e3ab-a1f2-4264-ae25-1cb2449037d3.png?resizew=200)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)在平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f790223ffd7df9fb44eb11a4c4ce6542.png)
(3)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1553f685ec1fa7f96ceb99456d00c335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f790223ffd7df9fb44eb11a4c4ce6542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4712903dc7b8c313dcb7578d641c43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解题方法
7 . 已知函数
是偶函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/6861a383-11d8-4f4e-b49d-9b7656e39d6a.png?resizew=240)
(1)求
的值,并作出函数
在区间
上的大致图象;
(2)根据定义证明
在区间
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7b4162be068735915bfb30b315632c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/6861a383-11d8-4f4e-b49d-9b7656e39d6a.png?resizew=240)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a57e7e65245a4d173c5d0bc3c34e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16a685cbaf10f04e6bbe3d585c9298a.png)
(2)根据定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9099a75c433e97bbe05052a00110571.png)
您最近一年使用:0次
解题方法
8 . 已知
(1)判断并证明函数
的奇偶性;
(2)在下面坐标系中画出函数图象,并写出单调区间(无需证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468d3744c71c9f2fcde23342b7444f27.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/fbf0d594-6609-479d-a41b-9f6b69cdc8fd.png?resizew=195)
(1)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在下面坐标系中画出函数图象,并写出单调区间(无需证明).
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9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2626a5bdd100424d2416a665ba0e9518.png)
,直线
是其图象的一条对称轴.
(1)求
的值;
(2)用五点作图法列表画出函数
的草图,并写出函数在
上的单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2626a5bdd100424d2416a665ba0e9518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff943f39a23f4c92785bfab754a5773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)用五点作图法列表画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
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10 . 如图,给出函数
的部分图象.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/b4ae34aa-0fdb-4eec-bca3-d295c8fafee1.png?resizew=161)
(1)请在图中同一坐标系内画出函数
的图象.设
与
在
轴左边的交点为
,试用二分法求出
的横坐标
的近似解(精确度为0.3);
(2)用
表示
,
中的较大者,记为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4ed159e3b82a2f8131c99117ee70e0.png)
,请写出
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/b4ae34aa-0fdb-4eec-bca3-d295c8fafee1.png?resizew=161)
(1)请在图中同一坐标系内画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557eb194cf0abe382609f8e1325b4197.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.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/3e4ed159e3b82a2f8131c99117ee70e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3682b41be6fbf083088212c1c6ffa7ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
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