1 . 已知函数
的解析式
.
(1)求
;
(2)若
,求a的值;
(3)画出
的图象,并写出函数的单调区间和值域(直接写出结果即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26296ca1cb65ba1f0c49df8adfe483ab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe561b2dcc4f0f68fbca0b8cf4cecc5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e28c6cbcc46821ebf88a38fa8d6e6c.png)
(3)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
解题方法
2 . 已知函数
是幂函数,且在
上是减函数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/90f3b4a3-353e-4c5e-a27f-e9d370aa1912.png?resizew=226)
(1)求实数
的值;
(2)请画出
的大致图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb534e5768a4d297dfcfb0569d7b185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/90f3b4a3-353e-4c5e-a27f-e9d370aa1912.png?resizew=226)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)请画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a3f1755bbdcefd3b2e30b6c30a957b.png)
(1)判断函数
在区间
上的单调性,并用函数单调性的定义加以证明;
(2)求出函数
在区间[1,9]上的最大值和最小值;
(3)画出函数图象并求出其值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a3f1755bbdcefd3b2e30b6c30a957b.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70fcba4b3d6737217487b9907066de4.png)
(2)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)画出函数图象并求出其值域.
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4 . 已知函数
.
(1)求证:函数
是偶函数;
(2)画出函数
的图象,并由图象直接写出函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d8f44731fc4a3d330f113d827c5da4.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/f95c4a1c-b7bb-442a-9042-344581be3354.png?resizew=184)
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2021-11-05更新
|
275次组卷
|
2卷引用:浙江省嘉兴市南湖片区2021-2022学年高一上学期期中检测数学试题
5 . 画出函数
的图象,并根据图象写出
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae40430099c08442eb46892d734bf2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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20-21高一·江苏·课后作业
6 . (1)用长为30
的铁丝围成矩形,试将矩形面积S(单位:
)表示为矩形一边长x(单位:
)的函数,并画出函数的图象;
(2)用细铁丝围一个面积为1
的矩形,试将所用铁丝的长度l(单位:
)表示为矩形的某条边长x(单位:
)的函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(2)用细铁丝围一个面积为1
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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20-21高一·江苏·课后作业
7 . 画出下列函数的图象:
(1)
;
(2)
,
;
(3)
,
;
(4)
,
;
(5)
,
;
(6)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be01f5cb16c638ab48e5180c684d5ec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be01f5cb16c638ab48e5180c684d5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f802e660df7dcce77096270fa5a10839.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7594d76eeed8629f58bb1d766687a25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca97e3aa8061c4d8e621c5598c69b13b.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1804c8cc2797e07d5a08f480ea0b69e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3606fd3966dc72e0f8a32047945a86e2.png)
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8 . 已知二次函数y=x2+2x-3m,若不等式y<mx+n的解集为
.
(1)求m,n的值.
(2)求该二次函数的顶点坐标和零点,并画出该函数的草图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4573b66a2dbd65dd7eb02c5912eddce8.png)
(1)求m,n的值.
(2)求该二次函数的顶点坐标和零点,并画出该函数的草图.
您最近一年使用:0次
名校
9 . 已知函数
(a为实数).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/c10b4e7d-e36a-4bfa-82b5-1fe2d8baa6d6.png?resizew=161)
(1)当
时,画出
的函数图象(图中每一个小正方形的边长为1);
(2)若
的在
上单调递增,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c1246b74a56321daff3d06d417845c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/c10b4e7d-e36a-4bfa-82b5-1fe2d8baa6d6.png?resizew=161)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9194617125f79af4cf326378b33f55fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 画出函数
,(
)的图象,并根据图象指出函数的单调区间和最大、最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c8c097f081007e5afb8b3d9725fec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e071a0b6202702e11ef27d448b11f72.png)
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