解题方法
1 . 已知函数
.
(1)若
,求
的值;
(2)已知函数
的图象经过
,
(i)若
,求
的值;
(ii)若
的三个零点为
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e2eb28a3be991d04869ac956c473a1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c809787e19abe7537c6b947d8cf390cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42cfa10d36743c0c2d594f289be735c.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5d7c0482558ee0a89c0a2f6d935a22.png)
(i)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c419949314258c61e4436e16477fa42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8640aa70c024c467a9e64b8014dc04b9.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a4e7c9bcd3dd106a40041499fb6927.png)
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名校
2 . 已知函数
.
(1)若方程
在
上有且只有一个实数根,求实数m的取值范围;
(2)在
中,若
,内角A的角平分线
,
,求AC的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d443017c9a0745a951a22633bfb5d24.png)
(1)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364191567137c96b643b9cb9ac853a87.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e43fa675015967aab2fb2b44d8ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
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2023-06-24更新
|
673次组卷
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3卷引用:浙江省金华第一中学2022-2023学年高一下学期6月期末数学试题
3 . 已知函数
,若
有4个零点,则实数a的范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bf3ce2b41aa2e9eec5bce13bb46bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
解题方法
4 . 已知函数
.
(1)直接写出
的解集;
(2)若
,其中
,求
的取值范围;
(3)已知
为正整数,求
的最小值(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff4ab487999c9d3d097874a0d900c8b.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d267a887789e4905d4d7b54911f52dc1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e6035b0fcfe8153dd7f2d535f5801b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f399069894b6ddea17199aeb619aced.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba6a1b88cbb3d3593f6b02c86aa3bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-06-23更新
|
440次组卷
|
2卷引用:浙江省杭州市2022-2023学年高一下学期期末数学试题
5 . 对于函数
,若存在
,使得
,则称
为函数
的“不动点”.若存在
,使得
,则称
为函数
的“稳定点”.记函数
的“不动点”和“稳定点”的集合分别为
和
,即
.经研究发现:若函数
为增函数,则
.设函数
,若存在
使
成立,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85bd7849308be8ed275b6061d13b790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b359345c5afa1739bf5ebf8982e1d959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](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/b359345c5afa1739bf5ebf8982e1d959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374054f44b9a52668f91ac7601e63c06.png)
![](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/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad41beab5767813fc3265f5993f13e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9ae47f0e942523adc38b948125458f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bda099d4ccbffd59338c873b0193e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0ef5bb9cba10eb89f54ae5e90854d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 某同学在研究函数
的性质时,受到两点间距离公式的启发,将
变形为
,则下列关于函数
的描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacd70076975711ff14f8461257b5e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed503b17714306de7fb9e9e3f54467f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() ![]() | D.方程![]() |
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解题方法
7 . 已知函数
,若
且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8306577afcba64f069f6ae373162f529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04fe966866f7ad311adedd93cf25c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6637110325fc5bcb6337762aecf53d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2d7ddd7ef3b6cde30018bc6a84b9e0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 已知函数
,
(1)当
时,求
的单调递减区间;
(2)若
有三个零点
,且
求证:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c1d68a6733e0a4dd0d2dee412cd6e2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cddc8d981e864d9d5a86f3e2ae40a91.png)
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|
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3卷引用:浙江省衢州市2022-2023学年高一下学期期末数学试题
9 . 已知定义在R上的函数
,其中a为实数.
(1)当
时,解不等式
;
(2)若函数
在
上有且仅有两个零点,求a的取值范围;
(3)对于
,若存在实数
,满足
,求
的取值范围.(结果用a表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b151084e6d3718cd67e5611ad7163a6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd78eaaea022ca802d231c741ac2779.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53557175dd87da7a5e5162fa4ae9f281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2860ac4d3997accc7093982bc53c3264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d5eee24c7cd69c63003eda7868ed7.png)
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2卷引用:浙江省宁波市2022-2023学年高二下学期期末(学考模拟)数学试题
名校
10 . 已知函数
,其中
.
(1)若
,求
的值;
(2)判断函数
的零点个数,并说明理由;
(3)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8db6cdacc8e4071c6f2780f3da9ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fc5cec42e2884e91c299c480739334.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36825543013336c9df727bc51ff62c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ac925c426d50a3d5901effe66dc470.png)
您最近一年使用:0次
2023-06-22更新
|
259次组卷
|
2卷引用:浙江省宁波市2022-2023学年高二下学期期末(学考模拟)数学试题