解题方法
1 . 已知数
为奇函数,
为偶函数,且
,其中
为常数.
(1)求函数
和
的解析式;
(2)若函数
的最小值为16,求
的值:
(3)在(2)的条件下,讨论函数
的零点个数.
![](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/8b65f0475495369c9c8b14d022af5f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36df837cecd2e43d89f968227ac90381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)在(2)的条件下,讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57fd7770bbcf042d0c9abb211d443fb.png)
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2 . 某地建设了一个文化馆,该文化馆对外开放后第1年参观人数为12万人,第2年参观人数为14万人.某课外兴趣小组综合各种因素进行预测:①该文化馆每年的参观人数会逐年增加;②该文化馆每年参观人数都不超过16万人.该兴趣小组想找一个函数
来拟合该文化馆对外开放后第
年与当年参观人数y(单位:万人)之间的关系.
(1)若选函数
,试确定
的值,并判断该函数是否符合预测①与预测②;
(2)若选函数
,要使得该函数同时符合预测①与预测②,试确定
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd8127057ac66baff6df79b5f9c35e4.png)
(1)若选函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d366c037380e109a76dc0db1a16dd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若选函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8f5d1116a5785143d17f42f1f13e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
3 . 已知函数
是定义在
上的奇函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/80094478-dac5-4855-bcd9-eb560c801525.png?resizew=175)
(1)画出函数
的图象,并写出
的单调区间;
(2)求出
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c6c39a23561a8042b2c56102b63df6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/80094478-dac5-4855-bcd9-eb560c801525.png?resizew=175)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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4 . 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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名校
解题方法
5 . 若函数
满足:对于任意正数m,n,都有
,且
,则称函数
为“速增函数”.
(1)试判断函数
与
是否为“速增函数”;
(2)若函数
为“速增函数”,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011d80b72b1101c0fd109f3db7d0e46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2997026bfbee09bd1fee6e4ef3ae5b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ecf10185cd2734f0a837450462cf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdec6ffa8a55db385a219a59a0c4b7c5.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daeb6aa67bf482045280f5d310d99782.png)
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2024-02-04更新
|
176次组卷
|
2卷引用:广东省高州市2023-2024学年高一上学期期末教学质量监测数学试题
名校
6 . 已知函数
.
(1)解关于x的不等式
;
(2)若关于x的方程
有三个实根
.
(i)求
;
(ii)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6e19c7ba658e93085aaa1df0257864.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7304764a23d36434ff59273146bc53e0.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12a510d32348b53fb0d52f2a84e966b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e608b2f144f25baf26e49dd5ad64be.png)
您最近一年使用:0次
2024-02-04更新
|
222次组卷
|
2卷引用:广东省广州二中2023-2024学年高一上学期期末数学试题
7 . 已知函数
,不等式
解集为M,
(1)设函数
在
上存在零点,求实数m的取值范围;
(2)当
时,函数
(其中
)的最小值为
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce427e97019745d570dd2728027fba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b65d53b1547f243d5a8ed642f8551dd.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b10664a63753466a594619215c4c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d6a28212810970ee8501118e1a1fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1eaf48f1ad368af0b0961322e50d74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
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8 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c61c807ca580a58300ab5031467c9f.png)
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c61c807ca580a58300ab5031467c9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe178c80f9052acdea16d09c0592b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f6ae85ce576d858abc2fd4b7bdba9f.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
为定义在
上的奇函数.
(1)求实数
的值;
(2)(i)证明:
为单调递增函数;
(ii)
,若不等式
恒成立,求非零实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd492d001a460384ca5c5ad7211561f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d75ab6ff78fda13e8f5d11d7a3d8bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-02-04更新
|
548次组卷
|
3卷引用:广东省深圳市南山区2023-2024学年高一上学期期末质量监测数学试题
10 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e705a22b34fa7212e4ded4c6e67e38a.png)
(1)若方程
有两个不等的实数根
,比较
与1的大小.
(2)若关于
的方程
有且只有一个实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e705a22b34fa7212e4ded4c6e67e38a.png)
(1)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbb93a836a3206907c2953f2f234c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b6ab702f8e93cc1e680a7d7af06786.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f957e6dc093c5f94be3060fec8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次