名校
1 . 已知函数
.
(1)当
时,求函数
的周期及单调增区间;
(2)当
时,且
时,函数
的最大值为4,最小值为3,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8713f9289eb5eef13345067ad348abd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2021-07-23更新
|
270次组卷
|
2卷引用:新疆乌苏市第一中学2020-2021学年高一(加强班)下学期期中考试数学试题
2 . 已知:
,
,
.
,求:
(1)函数
的最大值和最小正周期;
(2)函数
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112ac21d91a64d27d8b868814600f613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ebfded05087e7c70cd4283c171edf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10155dc0a498bbcbebd10eccd5f69a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b1b873a6d3fceb57cfbc18b2c9d406.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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