已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dcc0249abefa2726364d590a84baad.png)
(1)作出函数
的图象;
(2)写出函数
的单调区间;
(3)当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dcc0249abefa2726364d590a84baad.png)
(1)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
22-23高三上·宁夏固原·期中 查看更多[3]
更新时间:2022-11-23 15:37:32
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解答题-问答题
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名校
解题方法
【推荐1】已知对任意的
,都有
,当
时,
.
(1)求函数
的解析式;
(2)求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
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(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-问答题
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【推荐2】已知定义在
上的函数
为偶函数.
(1)求
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(2)求
的单调区间,并用定义法证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06aeeb7898cb3705527ca39bdeca4f3d.png)
(1)求
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(2)求
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您最近一年使用:0次
解答题-问答题
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名校
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【推荐1】1.设函数f(x)=lg(ax﹣bx),且f(1)=lg2,f(2)=lg12
(1)求a,b的值.
(2)当x∈[1,2]时,求f(x)的最大值.
(1)求a,b的值.
(2)当x∈[1,2]时,求f(x)的最大值.
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解答题-问答题
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解题方法
【推荐2】已知
是二次函数,
在
处取得最小值
,且
的图象经过原点.
(1)求
的表达式;
(2)求函数
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d69c8147dd7b7c1a46739e30c595fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c33b69adc112831fa115b5dffdb616.png)
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解答题-证明题
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较易
(0.85)
【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9b1c8b4e463b2d9e0ef8cdde8287cc.png)
(1)判断函数的奇偶性;
(2)求证:函数
在
上是增函数;
(3)求函数
在
上的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9b1c8b4e463b2d9e0ef8cdde8287cc.png)
(1)判断函数的奇偶性;
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28e45dd4cefbbbe59f349d3a251f895.png)
您最近一年使用:0次
解答题-作图题
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较易
(0.85)
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156c27e38e993045a66768f6d9c5dd64.png)
的值;
(2)在坐标系中画出
的草图;
(3)写出函数
的单调区间和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156c27e38e993045a66768f6d9c5dd64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1e8ae93be5d4f44440dc3d2613d0ea.png)
(2)在坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-作图题
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(0.85)
解题方法
【推荐2】先画出下列函数的图象,再求出每个函数的值域:
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
为正实数.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1804c8cc2797e07d5a08f480ea0b69e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8f34a7653d92ad0162066b2170aec7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58bbbdde60cf4f80c3ea6a1740edba5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04e67e37fbf0c78aeb7278a9ae1cb8.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次