13-14高一上·广东汕头·阶段练习
解题方法
1 . 函数
的值域是________________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7615174c1f705ff69244afc16fd625c.png)
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11-12高三·甘肃天水·阶段练习
解题方法
2 . 设函数
,给出以下四个命题:①当c=0时,有
②当b=0,c>0时,方程
③函数
的图象关于点(0,c)对称 ④当x>0时;函数
,
.其中正确的命题的序号是_________ .
![](https://img.xkw.com/dksih/QBM/2012/12/27/1571083785519104/1571083790974976/STEM/ffc174d8344247daac445b3ab4ad1453.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/2012/12/27/1571083785519104/1571083790974976/STEM/9a552dbc03bc4480a8dbfc8c60d679cf.png?resizew=139)
![](https://img.xkw.com/dksih/QBM/2012/12/27/1571083785519104/1571083790974976/STEM/b3de5b98945c4b63ae5a7985fb0c7598.png?resizew=183)
![](https://img.xkw.com/dksih/QBM/2012/12/27/1571083785519104/1571083790974976/STEM/284cd7cf359a4f32867089e2d4b9f5c2.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2012/12/27/1571083785519104/1571083790974976/STEM/ffc174d8344247daac445b3ab4ad1453.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d599760e741d7a00b4fd6f74c2b5d7.png)
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12-13高一上·甘肃天水·期中
3 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a281b83291161d485e914fe6e6fdae.png)
(1)若
,求
的值域
(2)若
在区间
上有最大值14.求
的值;
(3)在(2)的前题下,若
,作出
的草图,并通过图象求出函数
的单调区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a281b83291161d485e914fe6e6fdae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(2)的前题下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d660cb98d8f5b7a8730822993b3af85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077a8beb3282464fcaba612308fbcf3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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