解题方法
1 . 若不等式
对任意满足
的正实数x,y,z均成立,则实数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd5f49921ccf042d0ee58e615f207d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0732e44118f70424021d023f328e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
2 . 已知函数
.若函数
对一切
均成立,则实数
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f207d545352a63e27d8b4dd729f04f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a8a9f4f0d6590de86becb733bd1b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb005769d5478c56fc5a01d824167d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 某希望小学的操场空地的形状是一个扇形
,计划在空地上挖一个内接于扇形的矩形沙坑(如图所示),有如下两个方案可供选择.经测量,
,
.在方案1中,若设
,
,则
,
满足的关系式为______ ,比较两种方案,沙坑面积最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab30125e09b58dbd451fd2633ff9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f5b71c93c132c3f5889e832a074978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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解题方法
4 . 已知定义在
上的增函数
满足:对任意的
都有
且
,函数
满足
,
. 当
时,
,若
在
上取得最大值的
值依次为
,
,…,
,取得最小值的
值依次为
,
,…,
,若
,则
的取值范围为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0102c694f0d246336867e2fe17116909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711d6e4d873ff21b365e9ed00982447a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec8d82fe0dd2eb26609e6b27168dcdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3f63e341aa4d2fe436053d65098c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181e9a1eefc2b1e4d53d8d515ae3c1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770cf3716f1e9dc8023a898df7f33783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e54e8deea5da9dc6bc82eb3de0c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4f8bdb238c2f177e2a41172765b82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea973ea9b030a360028ae7e7f18a481f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 函数
,若关于x的方程
恰好有4个不同的实数根,则实数t的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dae08066247229136919391aa9704f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd910e8af089632e20f4fa350a864157.png)
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6 . 已知函数
,若
,
,
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4794be662f783b33ee48c6628e1d1628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1813e963c8bf1352c491a5c4c3874fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341a76642cb554aed4d20e85e432046a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e149f42d544ba0e3d3d79788bdf922fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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7 . 若函数
(其中
)在区间
上恰有4个零点,则a的取值范围为___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aace095eebc2d644e1e1c4bb088c1110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab90f84a9b6ec1334ce6fc12495ec218.png)
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2024-03-25更新
|
1548次组卷
|
3卷引用:浙江省杭州学军中学2024届高三下学期4月适应性测试数学试题
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8 . 设函数
的图象既关于点
对称,又关于直线
轴对称.当
时,
,则
的值为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52f6ee8ead43c46f73102b87a2d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6e8a6babe530345078c1be04bd8bb7.png)
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9 . 设函数
,若对任意
,都存在唯一的
,使得
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b205c44a76540af4a129e586e62d4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b424bbc2f301c0ce92ed914fd49fa98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728697bd9af445ae7525af9168fdf816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5148c90b6d762234102e5bf5ca4c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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10 . 已知函数
对任意的
满足
,且当
时,
.若函数
有4个零点,则实数a的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95917fe23c253088f51205ad14094a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a79d7f73b6128650bf7aed538260c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b79f63d32d084bd76dc24ae164c982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f88f446bed167e2fb55f51f649af5c.png)
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