名校
1 . 已知函数
,
,其中a为常数.
当
时,设函数
,判断函数
在
上是增函数还是减函数,并说明理由;
设函数
,若函数
有且仅有一个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c90dde46b1406a16c7c385c7bf582a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de456e9e067f6106db5cacfd283d28b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d500af0ca164f4f04b67a080ba6189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3c79567b9da6d140a532a93c16273f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6c8b2a543df633d7ec8a3bd3c1ebb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead849c0dc4a82285808a7e081ad75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a0c31f01b5c1c25cbf08178bdfbe51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b379e7fac207d9009680e323ff0a9aa.png)
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2019-03-12更新
|
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3卷引用:【市级联考】广东省梅州市2018-2019学年高一上学期期末考试数学试题
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2 . 已知函数
,若
对任意的
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc4bc8834d212000b77bd28f621c3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d919caa5309de35b349bc5091c827ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2c8f91f560ff0c9f3aae0676fc383d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-02-09更新
|
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2卷引用:广东省汕头市金山中学2018-2019学年高一下学期第一次月考数学试题
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3 . 已知函数
的定义域为
,对于给定的
,若存在
,使得函数
满足:
① 函数
在
上是单调函数;
② 函数
在
上的值域是
,则称
是函数
的
级“理想区间”.
(1)判断函数
,
是否存在1级“理想区间”. 若存在,请写出它的“理想区间”;(只需直接写出结果)
(2) 证明:函数
存在3级“理想区间”;(
)
(3)设函数
,
,若函数
存在
级“理想区间”,求
的值.
![](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/1be5b3f24056e94e16c9700d72ba2948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ee87e42cc88a4fdf1d21bf61781224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
① 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
② 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133a39a3960789a76fb6c9aadd55d1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24464329963c0fff6738eb9f57da0723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f9aefb2beaa09cae7951da5969dba4.png)
(2) 证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d70266454df40256268b19b055a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fcaecdaa46d99dae9847b0a4a4f2d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2019-01-29更新
|
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2卷引用:广东省广州市华南师大附中2018-2019学年高一下学期期末数学试题
名校
4 . 已知定义在R上的函数
满足:函数
的图像关于直线
对称,且当
时,
.若
,则a,b,c的大小关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b727eb9da56be079445321cf61cf26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b536a39baf119df5e962cb49b5222270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee0a69d5a76b0bf5280d2f2931da3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce370f78adf0dfdb13ec763def785c1.png)
A.a>b>c | B.b>a>c | C.c>a>b | D.a>c>b |
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2018-12-12更新
|
824次组卷
|
4卷引用:2019年广东省化州市高三上学期高考第一次模拟考试数学(文)试题
名校
5 . 已知函数
.
(1)求出函数
值域;
(2)设
,
,
,求函数
的最小值
;
(3)对(2)中的
,若不等式
对于任意的
时恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f1367145a98737c4dc3fa45b851b37.png)
(1)求出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd3adf60aa103f4ba3096aea5af1b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92e42fb4459d0f91ade70be1c13801f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
(3)对(2)中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a7b7c834d06f3e28a339db94690172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b40f207ee3f708bfa538dc1103cb35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b199c1d48b1cbce8e3a4943656bec87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2018-11-26更新
|
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2卷引用:【市级联考】江苏省高邮市2018-2019学年度第一学期高一期中调研数学试题
名校
6 . 定义
为
中的最大值,函数
的最小值为
,如果函数
在
上单调递减,则实数
的范围为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c6015f21b4671cf60d1a96d7f57b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66fa6d721de0c62e99133da0242de3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bee99a4da54fc5b8e85ea95449bebb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82181551a2ed693d9e51bf295df6a238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f2378dc940545aa1141f17b0d03ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/861f713ca12d3641ca25a16ee67263fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e51cc41a2da3efdc05a92954cd4707.png)
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2018-10-18更新
|
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8卷引用:【全国区级联考】广东省汕头市潮南区2018届高考(5月)冲刺数学文试题
【全国区级联考】广东省汕头市潮南区2018届高考(5月)冲刺数学文试题广东省汕头市潮南区2018-2019学年高一上学期期末数学试题(已下线)《2018-2019学年同步单元双基双测AB卷》【理科数学B】第二章第一练基本初等函数与函数性质的应用(已下线)《2018-2019学年同步单元双基双测AB卷》第二章第一练基本初等函数与函数性质的应用黑龙江省黑河市嫩江县高级中学2020-2021学年高二上学期联考数学试题吉林省白城市洮南市第一中学2020-2021学年高三上学期第一次月考数学(理)试题(已下线)专题10 高考中的常青树分段函数-备战2022年高考数学一轮复习一网打尽之重点难点突破云南省昭通市永善、绥江县2021-2022学年高一上学期期末考试数学试题
名校
解题方法
7 . 已知定义在
上的奇函数
满足
,且在
上是增函数;
定义行列式
; 函数
(其中
).
(1)证明: 函数
在
上也是增函数;
(2)若函数
的最大值为4,求
的值;
(3)若记集合
恒有
,
恒有
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd730a3ad95d0f5fe429944869ccb833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd1a75855d48b03d2a1c27f5d49f4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f752ba5bf291cad933c71bc5e5341e.png)
定义行列式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaed8823767932adb4caab5a4730fe48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f34c7730e49b4b4a623a5020d1bb98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0a3bcf9a770553a229625436d15c72.png)
(1)证明: 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86635bffae54a6541f807cee88c88a08.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886dd77fdc63895481be2941a9fa6f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
(3)若记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf1592168a82ec72833a22c3c1a84d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35b20c7e209f68b5294f04b3087ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2695ba8f4d2827467bf06bb23732dc59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d854a981f121f7b664412fe3eeef08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847b599ef94a80d71e6a78a145abeb87.png)
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2018-06-23更新
|
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2卷引用:【全国百强校】广东仲元中学2017-2018学年高一下学期期中考试数学试题
名校
8 . 已知函数
在
上非负且可导,满足,
,若
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2451e09d5d52a62d4243e9eee3c2003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2018-04-10更新
|
1076次组卷
|
2卷引用:吉林省四平市2018届高三质量检测理科数学试题
9 . 定义在
上的函数满足
,
,
,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f30db2f408c0fb41be221b902ac6edd.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104375baf5cef5eb92cfc7cf13b80193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bcf30493a50c80acb9b1f2da20f228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4378305ae8e20c68036c4e079dd59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b39bbfd4894f4d2ca18473a3e42f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ba30f1aa5e75750c67b142fc1d7837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f30db2f408c0fb41be221b902ac6edd.png)
您最近一年使用:0次
名校
10 . 已知函数
,
.
(
)当
时,证明:
为偶函数;
(
)若
在
上单调递增,求实数
的取值范围;
(
)若
,求实数
的取值范围,使
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bc66a9a7684b9b9dc163720b4e19fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de24779170eb5421fad5eec034f4d547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
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2018-03-16更新
|
2169次组卷
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8卷引用:广东省普宁市2016-2017学年高一下学期期末学业水平考试数学试题