1 . 设奇函数
在
上为增函数,且
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef656b5d9f9c40eb9992261a30038a9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-13更新
|
291次组卷
|
3卷引用:第九届高一试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
2 . 已知
,若集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149a694bc310911f0e371ebbbf71488.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7270af750eeaeb83f47d91114147020b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf6432540acf70be76f83c933aae60d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149a694bc310911f0e371ebbbf71488.png)
您最近一年使用:0次
3 . 已知函数
,若存在
,使
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af64b0e9db9f34c34220a8d5f764ae67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55ccc6a08f25adf8445566456e09208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 在
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13c5afa6fc49a0c6648058d4b062e81.png)
,设
,则
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13c5afa6fc49a0c6648058d4b062e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea833a7a06e7e26dfd4475b9efc35f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830a59c79b52c5ab1b40661780cd5470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03ff333ed73251dcb17228dd87fd8cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知函数
的图象与直线
有4个不同的交点,则这4个交点的横坐标之和为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd1f617dfe716b29f129ea8efe531b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b9388950efc21aee04c54a65d0a4a7.png)
A.10 | B.11 | C.12 | D.13 |
您最近一年使用:0次
6 . 设集合
或
,
,已知
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122b9f7720902e0177815b8b2c90b6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46dc1fcabafe95f9691dfb64a28592cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c255cb2784aa889ad88636b37a943e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96bce811d0c0a0be3e7e447cc7ee968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7caba77ac91f5e22465a2dbd6f6a8558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 若函数
在区间
上的最大值,最小值分别为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f287c9d5163c1ff61e749cbfb7a8b742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695c34aafd1c1ae276f9eddc53a397d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae0f8520349250a31be6d58542ef2d9.png)
A.0 | B.3 | C.4 | D.6 |
您最近一年使用:0次
2024-03-14更新
|
61次组卷
|
2卷引用:第十四届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
解题方法
8 . 已知集合
,若
,则
,则称
为集合
的“亮点”,若
,则集合
中的“亮点”共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582ad43edf388c096e7704d92340bf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898c0751f20302e2d001d48f1c90f79b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a091fb4cc5cce92cafa6cf1dc10e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.2个 | B.3个 | C.1个 | D.0个 |
您最近一年使用:0次
解题方法
9 . 集合
,
,
,
,则集合
的个数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dbe8b72d703452b80e5b127f1494791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/399b739685b7000ef5f0593d811d623a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6902390ad92d6fecc018fbacae915a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f532fe62c998d12af8265e741878449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
A.0 | B.2 | C.4 | D.6 |
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10 . 已知
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21373dc076c7a53026793e286073654f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次