已知函数
.
(1)当
时,证明:对任意的
,都有
.
(2)设函数
的值域为集合
,若
,求整数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e093f704d2550c8425d45c434ba159.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5ee5651051ecf115a650e1c8c6ae64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
22-23高二下·河北·阶段练习 查看更多[4]
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更新时间:2023-05-26 10:19:30
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解答题-问答题
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较难
(0.4)
【推荐1】已知函数,
.
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487a062c8627c86241f211d190325526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a519fa7f0d0d0f13dce409b57a4cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
【推荐2】(1)已知
,求
的最大值与最小值;
(2)求函数
的单调区间.
(3)若关于
的不等式
存在唯一的整数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a9800f03ef603320332cbaa3bfda23.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941e605c018a1fa8a08a51a38467fb5f.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844537bfd22f79302bfa857b02c857b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐3】已知函数
.
(1)求曲线
在
处的切线
与坐标轴围成的三角形的周长;
(2)若函数
的图象上任意一点
关于直线
的对称点
都在函数
的图象上,且存在
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e381480e5aaf1b77913c773a0db0c37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知函数
,
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3b5378d1d1455447aed8c1d8c01e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2b18941336b298701ca66f3388a01e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(Ⅰ)若函数在区间(1,e)存在零点,求实数a的取值范围;
(Ⅱ)若对任意的,都有
≥
成立,求实数
的取值范围.
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解答题-证明题
|
较难
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【推荐2】已知函数
.
(1)求
在点
处的切线方程;
(2)若函数
与
在
内恰有一个交点,求实数
的取值范围;
(3)令
,如果
图象与
轴交于
,
中点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380b0dfeae19ac6516d77fa70e2619f2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622a3bcf97cdce271d1112ccab1d542b.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86f8b396f2ae63e79ffd8886ae4d3849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a58e522f75fbbaca78294f3ec6934a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d209d5575a22818bed074e288e348e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0002d5a96d9201fef8aaff81df5d35fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189a06826ac3d44587bbe2d843711e37.png)
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【推荐3】在平面直角坐标系中,如果将函数
的图象绕坐标原点逆时针旋转
后,所得曲线仍然是某个函数的图象,则称
为“
旋转函数”.
(1)判断函数
是否为“
旋转函数”,并说明理由;
(2)已知函数
是“
旋转函数”,求
的最大值;
(3)若函数
是“
旋转函数”,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fa5f2fb55a2931ba27f3832ce80d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bfcbdc07d9a93da61ad74ffb34cce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b2a3cb508e543dfedbf35da570c442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
【推荐1】已知函数
和
有相同的最小值.
(1)求
;
(2)设
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804aa8f7d7f9d604f1599b75b3387fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ab69a9018ddc6ea5a2fe15e68e7ec9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ee4195b6c5f1b096cb4632595be18c.png)
您最近一年使用:0次
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【推荐2】已知函数
.
(1)若
,求曲线
在
处的切线方程;
(2)若函数
在
上无零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddede6227a2b19c6879a162597508c2d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47e734b17201fe992be7775714e9558.png)
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