名校
解题方法
1 . 已知函数
,且当
时,
的最小值为
.
(1)求
的值;
(2)若
在
上有且仅有一个
,使得
取得最小值,求
的取值范围;
(3)若函数
在
内有3个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a74138992728c995ff3c6fba1e7f931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6249318656c16089ae2dc9a966fb154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c875c55f2117fb4572265601f096895a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5aad266332e8f7f5be5124ec19606e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7417645b760b0e03cfe0bcdaa6a1d93e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4412fc39a6cdcf567801a5ba8e76963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a748ae73e4701b5d25e89c5cc0833bb8.png)
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名校
2 . 将函数
的图像进行如下变换:先向下平移
个单位长度,再向左平移
个单位长度,得到函数
的图像
(1)求
的最小正周期及单调增区间
(2)当
时,方程
有两个不等的实根
,求实数
的取值范围
(3)若函数
在区间
内恰有2022个零点,求
的所有可能取值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84005158547c0dfe3fd36a54fa06c20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb4910475f817ded8ada2da36b1a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4c1927483c5074919ea78503186f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-03-20更新
|
307次组卷
|
2卷引用:上海市金山中学2023-2024学年高一下学期3月月考数学试卷
名校
解题方法
3 . 已知函数
(
,
)的最小正周期为
,图象的一个对称中心为
,将函数
图象上的所有点的横坐标伸长为原来的2倍(纵坐标不变),再将所得图象向右平移
个单位长度后得到函数
的图象.
(1)求函数
与
的解析式;
(2)求实数
与正整数
,使得
在
内恰有2013个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1b51fc74390c262bc0bcaeb20369c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de6d1af1984f890f1b9bd7dd2a1ab30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144c8a7b47cd8aa949cef38c720dfffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c07c496500d66cbd74e1070e1c7c1d5.png)
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4 . 已知函数
.
(1)某同学打算用“五点法”画出函数
再某一周期内的图象,列表如下:
请填写上表的空格处,并写出函数
的解析式;
(2)若函数
,将
图象上各点的纵坐标不变、横坐标扩大到原来的2倍,再向右平移
个单位,得到函数
的图象,若
在
上恰有奇数个零点,求实数a与零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e613ec74a2f330b57a235439510dc5.png)
(1)某同学打算用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
x | ![]() | ![]() | ![]() | ||
![]() | 0 | ![]() | ![]() | ![]() | ![]() |
![]() | 0 | 1 | 0 | ![]() | 0 |
![]() | 0 | ![]() | 0 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfa338e78c528663f0602c60f3f594d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecdb2704ea6bc44b5a75fb3c8a100353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aab44d48c65864b1f46ea3647437bbe.png)
您最近一年使用:0次
名校
5 . 已知函数
是偶函数
(1)求a的值;
(2)若函数
的图像与函数
的图像没有交点,求实数b的取值范围;
(3)若函数
,
是否存在实数k使得
的最小值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3c4c1150e58f5fc9b9ad5d4b04f07fb.png)
(1)求a的值;
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0d06245241dc3d1d673af1f5990e5f.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6968b2a782093a022764cda7b3c8a497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7758c571ee31edfbd528ada5c822c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
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名校
6 . 已知函数
,
.
(1)解方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9708c59f51c8ed59a859e288e9ac024.png)
(2)当
时,有
最大值为1,求实数
的值;
(3)若方程
在
上有4个实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1697647bba92906e733fb696f622a2e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4139cddc2af2ef0900496dce24274d2.png)
(1)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9708c59f51c8ed59a859e288e9ac024.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955a011428f5e0d962cd57f8e73b396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
7 . 已知函数
.
(1)求函数
的最小正周期以及单调递增区间;
(2)求
在区间
上的最大值和最小值;
(3)若函数
,
有两个零点
,
,求实数a的取值范围与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b02bee123e5923a1936606c77e39165.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff14bdd7f2b48c0ce6ba8696c89fbf68.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568d1078f1c9b2bc91dabe617cdf452a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9440c0d2ea1b6203b78628ed59b23ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8d549130c5be01b3cb0c48a8cf260e.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
,将函数
的图象上的点的横坐标缩短到原来的
(纵坐标不变),再将得到的图象向右平移
个单位长度,最后再将得到的图象上点的纵坐标伸长到原来的2倍(横坐标不变),得到函数
的图象.
(1)求函数
的解析式;
(2)已知
,若关于x的方程
在区间
上恰有两个实数根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9bcd8a8441c5860cba974ae6f502f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a96576a1c4504c3388a7cb3b6f4087e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed744f295a395bf040e8264b1a3a3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453806252682636217ed03da1369ec4d.png)
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名校
9 . 已知函数
.
(1)判断函数
的奇偶性并证明;
(2)若方程
有且仅有一个实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2095e0ae1814ec8adce10e65d534b0d0.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a2ecd4ee71932cb6dd8200fd37c519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 已知函数
对一切实数
,都有
成立,且
,
其中
.
(1)求
的解析式;
(2)若关于x的方程
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587d3909a3d586e11cd3e902066976d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fae86b38bf45a6ddf9986a7ce6b2a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7220590606af8fd2cce75eb84d720ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac1b64cb76717bd87cd068fbaf1cf6c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdc09bc9e98f39d2019c114ee666b10.png)
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