1 . 已知函数
且
.
(1)求实数a的值;
(2)若函数
在
上恰有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd535030ec92efe0b1a86a33b7306aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008925a3b60d366297f31efa54aa38c9.png)
(1)求实数a的值;
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b9f57d3634f8337f1414f8a2a2dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 已知函数
,且
.
(1)求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d469ce65946f01efaa25b4a317c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa16aea6803864cc915c63e8ee9936c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73b85378c1f65d0ca0e4c30a14ccee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7433393cb69d82b81f5bfbdcbebb7722.png)
.
(1)求
,
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7433393cb69d82b81f5bfbdcbebb7722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de624ef08ab0043a976aa9739a92c9c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fef7672c5d8d64d61cecb70bcf615e0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09808f4f06d743f9352ff6dbf983971e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcf4b0cf6235605919cbef4d0b41a1c.png)
(1)若
,求
的值;
(2)若函数
有5个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcf4b0cf6235605919cbef4d0b41a1c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0c63f83d083501b752fc13fb0b4786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
5 . 已知函数
.
(1)当
时,
①求
的值;
②求
的图象与直线
的交点坐标;
(2)若
的值域为R,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136b8fa6ada0d37fc1d4a4fe5658402a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e244d20e919c19caa85d1a83bcf237.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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6 . 2012年7月1日,居民阶梯电价开始实行.“一户一表”的城乡居民用户电量从今往后正式按照三档收费.第一档月用电量为180度及以下,用电价格0.50元/度.第二档月用电量为181度-280度,电价0.55元/度.第三档月用电量为281度及以上电价0.80元/度.
(1)写出月电费
(元)与月用电量
(度)的函数关系式;
(2)若某户居民的电费为110元,问这户居民的用电量是多少?
(1)写出月电费
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若某户居民的电费为110元,问这户居民的用电量是多少?
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名校
解题方法
7 . 道路密度是指该路段上一定时间内通过的车辆数除以时间,车辆密度是该路段一定时间内通过的车辆数除以该路段的长度,现定义交通流量为
,
为道路密度,
为车辆密度,
.已知当道路密度
时,交通流量
,其中
.
(1)求
的值;
(2)若交通流量
,求道路密度
的取值范围;
(3)求车辆密度
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e829a484e6b203719c636c23614851a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fc8e882b4e76905b05c574322f08c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ae43849c6c6f222cd292d177f7a742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若交通流量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b30e4b464e3ef645fa1780523c56b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求车辆密度
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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8 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e6cfdac158089d6601e3686454e323.png)
(1)求
,
的值;
(2)求满足
的实数a的值;
(3)求
的定义域和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e6cfdac158089d6601e3686454e323.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed1bc50240970b32455c43b79e5bac2.png)
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16293233f3fe95690cc3ffa969f654bb.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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解题方法
9 . 已知函数
,且
.
(1)求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c68f68f8adddc0e72bd97741fbbb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4474bd87c00ac3ee99ab366527ded109.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73b85378c1f65d0ca0e4c30a14ccee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-10-13更新
|
956次组卷
|
3卷引用:专题04 函数的概念及表示(2)-【寒假自学课】(苏教版2019)
(已下线)专题04 函数的概念及表示(2)-【寒假自学课】(苏教版2019)广东省东莞市东华高级中学、东华松山湖高级中学2023-2024学年高一上学期10月月考数学试题湖北省孝感市汉川市实验高级中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
10 . 已知函数
.
(1)求
,
,
的值;
(2)若
,求m的值;
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5420fcbdbfd83905045c740c600620d9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4886e28e9ecd40f7edd25f25bde28453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579041fa505f7becf0271f4caed80f60.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033fd7a8a68127b3a387ae2cedcc5779.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4fd4693d97d4fea122a727d94c5db00.png)
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