2023高三·全国·专题练习
1 . 设
是定义在R上的函数.
,
.
(1)证明:
;
(2)若
是R上的增函数,试判断
是否成立,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f59fdcd935644fb399e6eda70586ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f29c04b9d5973a3dbbeb921ea0658e.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
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解题方法
2 . 设函数
,
.
(1)当
时,证明:
;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c22516251206cc9237ee035ab27ab25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487d538bab4260efa3988bc9b77cc58b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da159aa2e8acd6ea3bede80437649463.png)
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3 . 已知
为正整数.
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881a784e2b5216ba5562e07c4553a4e.png)
不能 表示为两个以上连续整数的乘积;
(2)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881a784e2b5216ba5562e07c4553a4e.png)
能 表示为两个连续整数的乘积,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881a784e2b5216ba5562e07c4553a4e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881a784e2b5216ba5562e07c4553a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-02-15更新
|
161次组卷
|
2卷引用:安徽省宣城市泾县中学2021年强基夏令营选拔测试数学试题
2023高三·全国·专题练习
4 . 已知函数
,
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)证明:函数
的图像关于直线
对称;
(2)若
满足
, 但
,则
称为函数
的二阶周期点,如果
有两个二阶周期点
,试确定实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebdbab22b1b9a7363a173dde90282751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34569f5a66a70aba0c93033b6d00cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bd07d67ddab9e1ca166d2f7dfb7160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
,且
,试比较
与
的大小关系,并说明理由;
(2)若
,且
,证明:
(i)
;
(ii)
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1060c34e676f9e4048f396023fa6a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87dad80ff155f615b17fbe8bf4db00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477401fbd54f365121b648e4d8fcf38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f13c49cbcdca5ed2e81d229819357b9.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6ecd08de6b156b5fa2bda453c855f3.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe64030d6e08f7607b7e3d9a724a79c9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e0f63cd71701bdf260b1510c72ee8f.png)
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6 . 设
为满足下列条件的函数
构成的集合:存在实数
,使得
.证明:
是
中的元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110e5b2f8a412dc6528df8da2ed66cc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7dd386fdd18b3aeb067806af7f7e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
解题方法
7 . 若函数
在定义域内的某区间
上是严格增函数,而
在区间
上是严格减函数,则称函数
在区间
上是“弱增函数”.
(1)判断
,
在区间
上是否是“弱增函数”(不需证明)?
(2)若
(其中常数
,
)在区间
上是“弱增函数”,求
、
应满足的条件;
(3)已知
(
是常数且
),若存在区间
使得
在区间
上是“弱增函数”,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e82cc461b9607e08a8b31597f6d26df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315b1a62ec3efc43575c57a801ad6585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df515c375a6cd512dafd680a2f8132e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154186900500104502219afe07839158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a29f7f6294171b824722185447384b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2021-12-16更新
|
307次组卷
|
3卷引用:上海市中国中学2020-2021学年高一上学期12月月考数学试题
名校
8 . 已知
,函数
,其中
…为自然对数的底数.
(1)证明:函数
在
上有唯一零点;
(2)记
为函数
在
上的零点,证明:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3adb9acead48e36b705874dc96979f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597de8046b5baecf54be4b0516de67ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405dfcca25b76af059fb4c308983eae.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89e13ea43300cc01379c96614d8e9cc.png)
您最近一年使用:0次
2021-10-12更新
|
558次组卷
|
3卷引用:湖南省永州市第一中学2021-2022学年高三上学期第二次月考数学试题
名校
解题方法
9 . 已知函数
,其中e是自然对数的底数.
(1)若关于x的不等式
在
上恒成立,求实数m的取值范围;
(2)已知正数a满足:
,试比较
与
的大小,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c79728eda595218be2154adf12590b.png)
(1)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea897547a3c134c8d39e8ab3173ba76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
(2)已知正数a满足:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac10f3518a6b80e4dfd43e5dd5620fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b52fba05677343daa1d9e8cffc40d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df45bf44f25112b0ef26da665f194ef5.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求曲线
在
处的切线方程.
(2)若存在实数
,使得
有两个不同的零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb198cd61088f7a114690dd124b4c902.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fcd38273f85e91a1262e95933e6dd4.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82b84d7b00392183ab036460411f09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582d1bd08adeadb5912ce2da715e40d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9d64597e731b6441171c2e2cec21de.png)
您最近一年使用:0次