解题方法
1 . 已知函数
.
(1)若
,解不等式
;
(2)若函数
在区间
上的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c1e8c852b08c8b7eea87dbd17f63a3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ca5e984d5e14b4be18a5ee99f80a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知二次函数
,当
时,
;当
,
.
(1)求
,
的值;
(2)解关于
的不等式:
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78222043de986bca085f490521326e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f849096465001a54b6d2243c95263d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf71a3c73c1d82ae821018a7f67c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e627dd89b76b55ea59f5fc9bec5ea13f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebfdecc7f8089cb23c20d0a93ee1b601.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac106969855ae6ba2136b6ebb66e545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc595f8b5666b09cbf06eb8389064cf.png)
您最近一年使用:0次
名校
解题方法
3 . 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)
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4 . 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)
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名校
解题方法
5 . 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)
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2024-01-24更新
|
457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
6 . 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
7 . 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
解题方法
8 . 已知向量
,
,若
不超过3,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc6ea1ee01c24177d15ce1776a33fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3db87f99222f1705e122a6bd329c9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-23更新
|
724次组卷
|
6卷引用:专题06 平面向量的坐标表示(1)-《重难点题型·高分突破》(苏教版2019必修第二册)
(已下线)专题06 平面向量的坐标表示(1)-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)专题9.5 向量的坐标表示及运算-重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)专题06 平面向量的坐标表示(1)-《重难点题型·高分突破》(人教A版2019必修第二册)陕西省西安市长安区2024届高三第一次联考数学(文科)试题陕西省西安市长安区2024届高三第一次联考数学(理科)试题(已下线)考点2 平面向量基本定理及坐标表示 --2024届高考数学考点总动员【讲】
名校
解题方法
9 . 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
10 . 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