名校
解题方法
1 . 定义:若对定义域内任意
,都有
,(
为正常数),则称函数
为“
距”增函数.
(1)若
,判断
是否为“1距”增函数,并说明理由;
(2)若
是“
距”增函数,求
的取值范围;
(3)若
,
,其中
,且为“2距”增函数,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c52d8e6a84e84b7ada833e0f4c719e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fe6ea72a60538e68ec3aa0ddac5d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb9237cf83325c55b0259e970dc4ad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4d596d72b7c3e8b8b6dd950b2b8cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc98a4d9ae0580aa2c1152ffb770d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2 . 已知二次函数
的部分对应值如下:
则关于
的不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![]() | ![]() | ![]() | ![]() | 1 | 2 | 4 |
![]() | 6 | ![]() | ![]() | ![]() | 0 | 14 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1074e5765256f1c5224287fe634ca91.png)
您最近一年使用:0次
名校
解题方法
3 . 已知正数x,y满足
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a825050351f5dad099f9c692e440f91d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5abf90e8307ef8dcc1030ebe7fd06a.png)
您最近一年使用:0次
2024-01-24更新
|
462次组卷
|
3卷引用:江苏省淮安市2023-2024学年高一上学期期末调研测试数学试题
4 . 如图1“Omniverse雕塑”将数学和物理动力学完美融合,遵循周而复始,成就无限,局部可以抽象成如图2,点P以
为起始点,在以O为圆心,半径为2(单位:10米),按顺时针旋转且转速为
rad/s(相对于O点转轴的速度)的圆周上,点O到地面的距离为a,且
(单位:10米),点Q在以P为圆心,半径为1(单位:10米)的圆周上,且在旋转过程中,点Q恒在点P的正上方,设转动时间为t秒,建立如图3平面直角坐标系
.
(1)求经过t秒后,点P到地面的距离PH;
(2)若
时,圆周上存在4个不同点P,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2584d4e78881413d8ddd1ec84011db2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/02068183-41e7-46dd-8916-f69c8e00bae1.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/5e8787db-81e4-4dec-ac9f-5aa14404dfc1.png?resizew=250)
(1)求经过t秒后,点P到地面的距离PH;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8a359aff6030dbfeef0f628341b07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe8b38f88b0f72334f0530fd827fefb.png)
您最近一年使用:0次
解题方法
5 . 已知偶函数
和奇函数
满足
,
为自然对数的底数.
(1)从“①
;②
”两个条件中选一个合适的条件,使得函数
与
的图象在区间
上有公共点,并说明理由;
(2)若关于
的不等式
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/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df412ae6aa217d7eaa8dd3b88faa9b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)从“①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b14cbee30045d5c58b67887f45daf3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc22eb4479f963546dc809865f69de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c292584260d6d1ac87a89ad5355cd1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
6 . 设
为实数,则关于
的不等式
的解集不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261373ece8d37578556496d519485f21.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 设
,集合
关于
的方程
无实根
.
(1)若
,求
;
(2)若“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319e124ae1c208f7ae0c22d86aee3965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afaed5ecc34e15984541c307d9d828b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38baccce2f900ba3a64bfde0e2f68ef6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9877c448965ecfb90d46c988bc6058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b898432f74ef221028e94ede5268709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
8 . 已知集合
,
.
(1)分别求
,
;
(2)已知
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5bfcc4038470da4c39b76040b7117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a501f51d2a90d0e1bece8e0d5dd0590a.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3424350d8da30e32d754750669e0750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知集合
,
.
(1)求
;
(2)集合
,若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f654c15d5b9e25c79e204dc2929359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5195559ce048a7ef68ebeeb7a497348b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea947bc3baa14618c114b23432f6830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 已知关于
的不等式
的解集是
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15283b27721153d40cc9a8f6b2b42608.png)
A.![]() |
B.![]() |
C.![]() |
D.不等式![]() ![]() ![]() |
您最近一年使用:0次
2024-01-18更新
|
1043次组卷
|
5卷引用:江苏省南京市2023-2024学年高一上学期期末学情调研测试数学试卷
江苏省南京市2023-2024学年高一上学期期末学情调研测试数学试卷四川省眉山市彭山区第一中学2023-2024学年高一下学期开学考试数学试题广东省广州市仲元中学2024届高三第一次调研数学试题河北省衡水市第二中学2023-2024学年高二下学期5月学科素养检测(二调)数学试题(已下线)第05讲 一元二次不等式与其他常见不等式解法(十大题型)(讲义)