解题方法
1 . 已知函数
,
.
(1)函数
在
上单调递增,求实数a的取值范围;
(2)当
时,对任意
,关于x的不等式
恒成立,求实数a的取值范围;
(3)当
,
时,若点
,
均为函数
与函数
图象的公共点,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f779eb0eb4e0ca4a92b20fe9b77be3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f588722d20a51f2e43f9318589b3d6.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b2856045b940760ebabe6606df19a6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ed427e67d7d27d53df7039cca81038.png)
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名校
解题方法
2 . 已知函数
.
(1)若
,且
,求函数
的值域;
(2)若
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858681a1b579b3b09227ffcb606391f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c18946c8631ebbbf47a0fc02f4ba7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-29更新
|
535次组卷
|
2卷引用:江西省部分学校2023-2024学年高一上学期月考数学试题
解题方法
3 . 已知函数
在
上单调递减,则
不可能等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176b96fb8021644b489c4e5686f688e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.2 |
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2024-01-28更新
|
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2卷引用:江西省部分学校2023-2024学年高一上学期月考数学试题
4 . 已知幂函数
在
上单调递减,若
在
上不单调,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd91c929e88daf7d1ea47eafb5ecacca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df6f46458db3ce20fa485c13f216853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.0 | C.1 | D.3 |
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5 . 已知幂函数
为偶函数,若函数
在区间
上为单调函数,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484a7b3614f4676d2665591a3a556f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db2ea9c169b1588651b0735acbdb1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知
为二次函数,
,不等式
的解集为
.
(1)求
的解析式;
(2)若函数
在
上的值域为
,求s,t满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f5db0d16c20b8b34808b8ace5f8347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0725cb7b50b9cdb742503040a8791230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8156a557d9b963a77dfd88178789ac7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8401162537a63e6c48c066e9f5fcdf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a93faa5751a2a8e53672798288038b2.png)
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解题方法
7 . 如图是函数
(
)的部分图象,点
是这部分图象的最高点且其横坐标为
,点
是线段
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/093d855f-71fc-4b40-916c-c00561b4aaa8.png?resizew=160)
(1)若A是锐角三角形
的一个内角,且
,求
的值;
(2)当
时,函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c966cc9e4eb60b41947a8262a408de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a53f63927bad21ed9aee685e511a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5389b197345ddd861b9eda4dc9e1fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/093d855f-71fc-4b40-916c-c00561b4aaa8.png?resizew=160)
(1)若A是锐角三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa7468e4645dface237e4fd9bd069c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977625b3f9de23c36304915bd5cbd5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77e9b45c4b05c673e1be8305d64eadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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|
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2卷引用:广东省深圳市深圳实验学校光明部2023-2024学年高一上学期期末考试数学试题
名校
解题方法
8 . 指数函数
的图象如图所示,其中
,则二次函数
的顶点的横坐标的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/9f1ab0d6-271e-4459-8385-932101a0ecc0.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c123852f9fc9efe0e26f969505363a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbce3608f4388d1d46d72c7a7e669e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de30a0de1754904e6e64217dbbb992a6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/15/9f1ab0d6-271e-4459-8385-932101a0ecc0.png?resizew=159)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-26更新
|
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2卷引用:广东省深圳市深圳实验学校光明部2023-2024学年高一上学期期末考试数学试题
9 . 已知函数
,若在区间
内任意两个实数
,
(
),都有
恒成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c0e7cfc20d220b71ff9b8b9cf61f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4280adea02588850b0a1af4844fcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302734b812452983b0faf2145655e60e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
10 . 若函数
在区间
上是增函数,则a的取值范围__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b975599ac8a9eed71fffaa8fc33e11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c728f94b77941ae0962f6cc9f72da3.png)
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