1 . 已知函数
的最大值不大于
,又当
时,
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a834346acf79a4ad2b02eccdb20013d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072c49a32e8d537004c2b14bc0403539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0eef90b394d3e1f7047aa8746f4f4d.png)
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2 . 函数
的图象经过点
,
.
(1)求函数
;
(2)设
,
,问:是否存在实数p(
),使
在区间
上是减函数,且在区间
上是增函数?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8981b3b896bc0c9ae0cb699f94c1d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2599bfa462c966a4988436b8c8bb7b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e48e58aca82f136d6f0cc5251fd2e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff43a92f35dd115e3f8a3f2dd973b7a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7be8524456ba4e9abb973da323c0c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27df58608819f3260cededaf16eb9770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d156bb96e4a831d3f7c6e338a7cbfd0.png)
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3 . 如果
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ed09dce739e3a25c270e4ab798083a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1838291076ff96070c4b60e106cb29b.png)
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4 . 如果函数
满足
,
且
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8338331b1eb33d0a1bb9ecc740f28912.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9512bb57be58befcf9ce40780bc993d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8338331b1eb33d0a1bb9ecc740f28912.png)
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5 . 定义在R上的函数
的值域为
,则函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2865a53c7130ba6a165c67efa5f33a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21128d369c99738b797218abe76f70b8.png)
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6 . 已知
,
,且
,则满足条件的集合
的个数为______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7fd721c2d24ea5e562d8b8cc9cd4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4b0f19b2b9c3759aa2983b1180b781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8a5de95ee683ed5af7d57234539841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a9f22d9ac64f7c69a8e4777e1fc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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解题方法
7 . 函数
向右平移1个单位,向上平移16个单位后得到函数
,已知
的函数图象与
轴的一个交点坐标为
,且
整除
.
(1)求函数
的解析式;
(2)若对任意的
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359dd4ffb1b26b4cf1fdf582801170b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba37f9441d3804dd22e112a86ba6fc23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079dd115a4b8cbc93918a853363786dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f013a3e5d9e2ed54ef0874d88057964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6d1a0b4654ced33b1008ff861a35a1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c794652d85a70a0034e18b5970daa59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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8 . 已知
,若函数
,其中
是
的小数点后的第
位数字,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c519833e0de1763e982b430d35bfd3.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ae4eb9e8b1b743bd38893ea7e2c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734d891c452cfc0c257fc5b2b10bb765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035852e1ed3477bda79da181b92a13c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e62f5fa80dc25634facc21a37eac034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c519833e0de1763e982b430d35bfd3.png)
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9 . 已知偶函数
,则不等式
的解为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8d7eb6498a67fbeeb75718a96c6e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef0a96e0d4ade7c8c08753f561c2265.png)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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10 . 定义在
上的函数
满足:
,且当
时,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ba1cfb6b6eedcbf837fcabc4b8fa3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff43f07bb5c62629a93718193a51583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45987157289348c4a401551ffd7cb820.png)
A.1006 | B.1007 | C.1008 | D.1009 |
您最近一年使用:0次