名校
解题方法
1 . 已知函数
在
上有且仅有5个零点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c9beb1601a5032dbc12eafc6a982f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f96a23757dc485b91a6b78b496922b3.png)
A.![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
2 . 已知函数
的图象如图,点
,
在
的图象上,过
,
分别作
轴的垂线,垂足分别为
,
,若四边形
为平行四边形,且面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdb3c1503af61ac7ec3b75bce03c908.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98469d60fd56fd3091290302fbeb3c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385ed0dbb1909ac5b6223c7f5e6df86d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ca334d2ae1289b70941e6af9e336a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdb3c1503af61ac7ec3b75bce03c908.png)
您最近一年使用:0次
名校
3 . 已知函数
在区间
内恰有3条对称轴,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e41d2cbcc6205f597ef16e91a7b1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知
(
为常数),
,
,且
的最小值为
,若
在区间
上恰有8个零点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9cd1df991ac18b85566410fd0d597f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8dcac80ac59d71855ab1a2717a054b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3e1ba127fd26be8e7ec9a4a837f803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8d40b2189a57e4916d24c3369a9b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知函数
的部分图象如下图所示,若曲线
过点
,
,
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed6ddf3aee285d7cf29a790fb280a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2470507c14e04b132f1b25f8affcb450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c62a16958a18e7e29d3b8793cf6baf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ec25167dc0e70c70487b42659b4e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e1a608e0fdf344e026d5a8467b2f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b103f2503e52e00a2139f4c4ca1bff4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef48cbf2233f6a73003fd18120e40ee0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知函数
(
)在区间
上只有1个零点,且当
时,
单调递增,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df13253e1309055ff0e3c9fe542fb9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbda42753fc63f6bc43d124bc8b13972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefa56d3b14ddc6ce99262bb90de45ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知的数
(
),若
的最小正周期为
,
的图象向左平移
个单位长度后,再把图象上各点的横坐标变为原来的2倍(纵坐标不变)得到函数
的图象,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
____________ ;若
在区间
上有3个零点,则
的一个取值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d683bbf46f0e98c8a5b0879e4465b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ae071199874d9d74a4919a58902f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a01d149399210cc1ce429a5b2b20e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72728cdc6b1c5521eeba55ca804d2d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2024高三下·全国·专题练习
解题方法
8 . 已知函数
,若
,则直线
与
的图象的交点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190c405a8a581cdd0143625b676a27dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a23dd03e66619068c1288858293fae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43aaa2d429c2c41808d5b0c4e3992aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
解题方法
9 . 在单位圆
上任取一点
,圆O与x轴正半轴的交点是A,设将
绕原点O旋转到
所成的角为
,记x,y关于
的表达式分别为
,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffdf1902f7e1fa623d28efe7cfa479a.png)
A.![]() ![]() |
B.![]() ![]() |
C.设![]() ![]() ![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
10 . 已知函数
(
,
)的图象在y轴上的截距为
,在y轴右侧的第一个零点为
,当
时,若方程
恰有三个不同的根,分别记为
,
,
,则
零点为的取值范围为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f079822740a43def4c00aca26b0607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b4af7d180d9187ec5bf5231cf8447b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcf5c39cd6005441157b4a871279af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12d6804ac95bb944d0fa77c6f2813e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
您最近一年使用:0次