已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6be99181178fa5e1c42afcf6b1d5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab221a2542c1bfcd275fb16ee9316d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
更新时间:2023-01-05 08:57:17
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相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】已知集合
,
或
,全集
.
(1)若
,求
、
、
、
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a64f0e7573ba0e076f4601af49a337a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4e44fc1125dc258e2f871acf8c030c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28cdbf4bef583116fc1cf3ce0ee09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5207a956f783588ad0f1df179de2dc46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-应用题
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较易
(0.85)
解题方法
【推荐1】据市场调查,某种商品一年内每月的销售额满足函数关系式:
,
,
为月份.已知2月份该商品的销售额首次达到最高为11万元,7月份该商品的销售额首次达到最低为3万元.
(1)求f(x)的解析式;
(2)求此商品的销售额超过9万元的月份.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c8de02a50135ef0f441c5a6491a142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e281f9338dfb899d0bd4a73eb34367b8.png)
(1)求f(x)的解析式;
(2)求此商品的销售额超过9万元的月份.
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】(1) 根据正弦函数的图象,直接写出不等式
的x的取值范围;
(2)小赵同学用“五点法”画函数
,(
,
)在某一个周期内的图象,列表并填入了部分数据,如表:
请将上表数据补充完整,并直接写出函数
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67fa51e2b32f03bb5acae426427d729.png)
(2)小赵同学用“五点法”画函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d337668b7a2f19fc951402a8b96559b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
![]() | 0 | ![]() | ![]() | ![]() | 2![]() |
![]() | ![]() | ![]() | |||
![]() | 0 | 2 | 0 | -2 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知集合
,
.
(Ⅰ)求集合
;
(Ⅱ)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6599af7404575a9d3e2f2b0fa57e4ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a42838367b2aee4cd4238a11cc6a4e.png)
(Ⅰ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37fe399edee540a30a04f7cdbeecd29.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
名校
【推荐2】已知不等式
的解为
,求
和
的值,并解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31a236a2101c170576f3c8f8e2edc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cf894db9fd5c3ef5af29a371416b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98878220e4fc94e9bfbc21a1ff2938.png)
您最近一年使用:0次