解题方法
1 . 已知
,
,且
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4929ef4bacd86617b40f8ec3810982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a571e1001efc09f845cb9826e031f430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c47f7e55655cc10768ceb3ecb9d6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba8c29f26bd131349d14769ed3b7d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ea7d5f6c9118981aa2164ee9e28000.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-02-12更新
|
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2卷引用:福建省厦门市双十中学2016-2017学年高一下学期期中考试数学试题
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2 . 若函数
满足下列条件:在定义域内存在
,使得
成立,则称函数
具有性质
;反之,若
不存在,则称函数
不具有性质
.
(Ⅰ)证明:函数
具有性质
,并求出对应的
的值;
(Ⅱ)试分别探究形如①
(
)、②
(
且
)、③
(
且
)的函数,是否一定具有性质
?并加以证明.
(Ⅲ)已知函数
具有性质
,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c3f77c4d399c6ce669406032c7b7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(Ⅰ)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(Ⅱ)试分别探究形如①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(Ⅲ)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d17ccc5aa295cfc6b892cd45986fd25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知函数
为奇函数,
时为增函数且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da743e86f5a9e5de145805203fefaec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da743e86f5a9e5de145805203fefaec5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-12-08更新
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1465次组卷
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5卷引用:福建省厦门市同安一中2017-2018学年高一上学期期中考试数学试卷
福建省厦门市同安一中2017-2018学年高一上学期期中考试数学试卷北京市首都师大附中2018~2019学年高一上学期10月月考数学试题人教B版(2019) 必修第一册 过关斩将 第三章 第三章 函数 本章复习提升人教A版(2019) 必修第一册 过关斩将 第三章 复习提升(已下线)第5章 函数概念与性质 章末题型归纳总结 (2)-【帮课堂】(苏教版2019必修第一册)
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4 . 定义在
的函数
满足:①当
时,
;②对任意
,总有
.
(1)求出
的值;
(2)解不等式
;
(3)写出一个满足上述条件的具体函数(不必说明理由,只需写出一个就可以).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0606c4ffcfe6f4709155d1e8671ee57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db51af23fe06951a95cc040644f6b253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f174ccd8cac2694c230b1764be2c81.png)
(1)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7846930759271646d8ee762dfd38ed.png)
(3)写出一个满足上述条件的具体函数(不必说明理由,只需写出一个就可以).
您最近一年使用:0次
2017-12-08更新
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2卷引用:福建省厦门市双十中学2017-2018学年高一上学期期中考试数学试卷
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5 . 已知
.
(1)设
,
,若函数
存在零点,求
的取值范围;
(2)若
是偶函数,设
,若函数
与
的图象只有一个公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f2491e5537940eaeec5978cc8e961.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739ddca433c4b5f3935ebfda60770f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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6 . 若函数
为定义域
上的单调函数,且存在区间
(其中
),使得当
时,
的取值范围恰为
,则称函数
是
上的正函数.若函数
是
上的正函数,则实数的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7131ba44460c9f6ace0957cfc6c94c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e122f785d5945454792370bb49a937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9764d20df647b8bb27d803f92af9016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700575aad4ef31eafeb6a93af3a69d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d434b9ff395453fe7e7fa1dbb96ca85e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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5卷引用:福建省厦门市同安一中2017-2018学年高一上学期期中考试数学试卷