1 . (1)
;
(2)log535﹣2log5
+log57﹣log5
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd984d5275926bc0cda924eb5cc40ba3.png)
(2)log535﹣2log5
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75096deb06fa2aeaace0ec13f59c9ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cf66e4d8a4f885a3fe9c7ac480d554.png)
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解题方法
2 . 轩轩计划建造一个室内面积为
的矩形温室大棚,并在温室大棚内建两个大小、形状完全相同的矩形养殖池,其中沿温室大棚的前、后、左、右内墙各保留
宽的通道,两养殖池之间保留
宽的通道.设温室的一边长为
,两个养殖地的总面积为
,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/35940ac7-340e-43f3-a0d0-b3d03d3b6388.png?resizew=149)
(1)将y表示为x的函数;
(2)当取x取何值时,y取最大值?最大值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89667e452126b2bcf3a21681677075f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6244c4be2c661dc2166885d65bbad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3bde6ef2ee5b749b4d48d706543cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a20728e9a9e3018723f2a86f24f332.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/35940ac7-340e-43f3-a0d0-b3d03d3b6388.png?resizew=149)
(1)将y表示为x的函数;
(2)当取x取何值时,y取最大值?最大值是多少?
您最近一年使用:0次
2023-03-26更新
|
125次组卷
|
2卷引用:江西省2022-2023学年高一上学期阶段诊断试卷(一)数学试题
名校
解题方法
3 . 已知函数
.
(1)求
的解析式;
(2)判断
的奇偶性与单调性,说明你的理由;
(3)求满足不等式
的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9d3031fadafece268bf4d6da7f9df4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求满足不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120d89843db5ffa6eb945156872f5e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
4 . (1)化简:
.
(2)求值:
.
(3)设
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9425b2d567b729467fec9498c183e32d.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349678bf311bf77582444d12907a4428.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aca7f0097fc0562c40375ce6756d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bb6f1d6a053b78c221624885791f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2893bd2a2299d8180f45494ba593d1.png)
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5 . 已知函数
(a>0或a≠1)为偶函数,函数
(m∈R).
(1)求a的值;
(2)若对任意
,总存在
,使得方程
成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907ea2f2b57810fb39609c04fa106fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630956bc8817eba6dea2f0c6af18ac4b.png)
(1)求a的值;
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5d499666f20047af33ad30482efd37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0391e39aaeb4e3cc883b0439d7f69d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7082c68f1bfd946d8caade98963861.png)
您最近一年使用:0次
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6 . 已知函数
,其中
.
(1)求函数f(x)的最大值;
(2)若方程f(x)=m有两个不同的根,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc986d6024ce969f36667ff565942f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
(1)求函数f(x)的最大值;
(2)若方程f(x)=m有两个不同的根,求m的取值范围.
您最近一年使用:0次
名校
解题方法
7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc047e2f7c457f035d697aa26712202.png)
.
(1)当
时,求
在区间
内的最小值;
(2)若对任意
都有不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc047e2f7c457f035d697aa26712202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344cc24b575f4fd1ea7fe8ce5612fa9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a039b83b7784132b820a32c9894a2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74c5bddff8fedabc5dfee936465243d.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
8 . 已知函数
.
(1)求函数f(x)的零点;
(2)判断
的单增区间并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94fc0be7bcd9a07e74ccca71bd30e76e.png)
(1)求函数f(x)的零点;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
9 . 化简求值
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc544ce2f1ea5b1e9a21d8921353c4f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea6f4f8e33f964a6644b716cee4b70.png)
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解题方法
10 . 设函数
为奇函数.
(1)确定
的值,并用单调性定义证明该函数单调递增;
(2)若
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdc81e1324745bda42a107d2eb83951.png)
(1)确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0858c41d2e1bbb4258e6f52d4f7af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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