1 . 已知函数
的定义域为
,则函数
的定义域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b531c04fedcd9539eef63e53c60cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0631dd45b19d87738d333f43dc5162f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
在
上的值域为
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d04bc8acef84b3e2b68c8647a61cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe66b327f503b14b2ddc5260de454da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
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3 . 已知函数
,
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2d313f01b4a5930268e6aad77c812c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97722529f02f809bd9e6f9a4474b9ad5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 奇函数
对任意
都有
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7e6b9d78eaf13dd02cdfbd02bfa898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207717d14e7d941837b2613fec7694e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac59383710fc13711dae427de33d209.png)
A.-1 | B.0 | C.1 | D.2 |
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5 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40373eeac089bf42d3a293c3ddd744f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fc99ef6007097bcf4d7c9539b03250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15448f740fb94cc27b811f9712c6fe2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e250bf41f2ce494294edbcae6e5abf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知函数
,函数
与函数
的图象有5个不同的交点,则正实数k的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab142fdf0735944d83f1d36b0937b1fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5718b0e00707dcc6fc133d40e7fe814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 围棋是我国发明的古老的也是最复杂的智力竞技活动之一.现代围棋棋盘共有19行19列,361个格点,每个格点上可能出现黑子、白子、空三种情况,因此整个棋盘上有
种不同的情况,下面对于数字
的判断正确的是( )
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f99ea5a69e5e2efdc6a1a08f4e8e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f99ea5a69e5e2efdc6a1a08f4e8e90.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70345587c2d90c50abb161cd7e158a67.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 已知集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e58dfc00efaef7f7a8beffc3e6e3266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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10 . 已知定义在R上的函数
满足
,
,当
时,
,函数
,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34e9794d31b207750914222a39d9036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ea832b11f5a84b9bf3020271480631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c219c206a846f555cbc7375456e260d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c64431ecb3d90d53068b8b0e64b4179.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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