1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b7095d2bea8f94d3a0366ded17f30.png)
(1)若
,解方程
;
(2)若函数
在
上单调递增,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b7095d2bea8f94d3a0366ded17f30.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 .
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6e1e8729c0e9f671aaa0e4bdfd57c7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee11573c1058b16b8f6552a739c69b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6e1e8729c0e9f671aaa0e4bdfd57c7.png)
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3 . 已知函数
,若
,则函数
在
的零点个数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af71137a4b2ccf80324fa094401dae92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558e5164dd5bc085d892cd82072fa8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b664b27caab8eed028ce7b933c688f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26c416363ab2a9ed000b429540db55e.png)
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4 . 已知定义域为
的函数
满足:(1)对任意
,恒有
成立;(2)当
时,
.给出如下结论:
①对任意
,有
;
②函数
的值域为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
③存在
,使得
;
④“函数
在区间
上单调递减”的充要条件是“存在
,使得
”.
上述结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a232c6b4ddfd557a0d426601c7870da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46ecf935049473045cdebae68415657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb43b3efcc3378602f971b446381470.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc5cd9e212065a84157acb5560fe23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43d6d8cdb618d0cfd0a1eb220f91963.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f2c9948d5d5172f76b8cb3c63562d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4cfb3ed1344cfc7fbfb8b6b3ab67c.png)
④“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311f5d62483f30decba1277d788ce6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a15991a84d1c5c572de218d611ebc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83ae496d5558ae20feb61ec14032acb.png)
上述结论正确的有( )
A.1个 | B.2个 | C.3个 | D.4个 |
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5 . 给定函数
、
,定义
.
(1)证明:
;
(2)若
,
,证明:
是周期函数;
(3)若
,
,
,
,
,证明:
是周期函数的充要条件是
为有理数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd9a4c5662492fb01f2fa2a45ce43e3.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76cb31511964c3bdd9bdea3b3e3af144.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf24c89bf6f2120addb7f231b94a8490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33a79cc53b2fc63f3e2107313a6ec6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a50ca214d94500b83e493e288882fcc.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f788c9ddad27e96e28069b70558021b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156213ad075f980c16a80aa0c04b6fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce21eee8b5a73aec951ab7b6712ab460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8014b097bcc713cb46b0387b5465f17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd74add83d098d62539e2d8234e2d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfcc567b95a320abcb25509923cd001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b287937887574e2c1e9a0222c3021936.png)
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6 . 设函数
,则当
时,
的值应是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3377520164d92dc12f48588f1ed136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8866e550a0831c1266e308ebfb6d131.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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2019-12-12更新
|
312次组卷
|
5卷引用:上海市澄衷高级中学2018-2019学年高一上学期期中数学试题
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7 . 已知
,则
比
多了几项( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d1588172d542399efefc5c835ff37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d81d4730668cce0bbeb1f8fd39e0b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
A.1 | B.![]() | C.![]() | D.![]() |
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2019-12-11更新
|
254次组卷
|
3卷引用:上海市嘉定区2018-2019学年高一下学期期末数学试题
上海市嘉定区2018-2019学年高一下学期期末数学试题上海市上海外国语大学附属中学2018-2019学年高一下学期期末数学试题(已下线)小题易丢分必做30题(提升版)-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)
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8 . 若直角坐标平面内两点
满足:
①
均在函数
的图像上
②
关于原点对称
则称点对
为函数
的一对“匹配点对”(点对
与
视作同一对)
若函数
,则此函数的“匹配点对”共有( )对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
则称点对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8db1b1d785eb51760af77fb2e3fe0.png)
若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790824c504ead67b5f9e0582b0210e0a.png)
A.0 | B.1 | C.2 | D.3 |
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2019-12-11更新
|
223次组卷
|
2卷引用:上海市宝山区海滨中学2017-2018学年高一上学期期末数学试题
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9 . 设
为正整数,规定:
,已知
.
(1)解不等式:
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ef3469a4c2c1264a97bfbcb19a7c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3a1bde1d6bb84b768213eb374eba19.png)
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c7572463225bb3b65cb371f4496440.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0803627c60fda3682b778c6c1ba9888a.png)
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10 . 若集合
,集合
函数
至多有一个零点
,则
的元素之和的函数关系式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547050cd8eb363c1c48b110b063b21db.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c0c19bb0823be895acdde31c501f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054956ed94dce1d6b1ca999c446ba450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89e9808da74230b21af9279971f7fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547050cd8eb363c1c48b110b063b21db.png)
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