真题
1 . 若
.
(1)
过
,求
的解集;
(2)存在
使得
成等差数列,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b04f2b67e3c95a11d844e3d54e8504.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081cd41dab0f2a8f84b0e9f1df4843fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c25db143eb14b7b6997047aa3cca12.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e47518677c6d5041e3741d83701320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 设
,已知函数
的两个不同的零点
、
,满足
,若将该函数图像向右平移
个单位后得到一个偶函数的图像,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f8e05d72f32f60d26244cad25c9ef4.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/e06d506162c07c88cc58ce804540c587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93a232c88870d213a7b74a796a1ff4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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3 . 已知某个三角形的三边长为
、
及
,其中
.若
,
是函数
的两个零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc670cb1a89da60c17b648b490a537c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知函数
,记
,
,
,
.
(1)若函数
的最小正周期为
,当
时,求
和
的值;
(2)若
,
,函数
有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4ba784116a3c5f7754007f486b19fb.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/eb63478132d4c1fef3c17e591919da83.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6742e9ed66a1f97e3113bb404daf239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce0dc28340738e090bd10d6d675d8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01151b583febd1b0e124419394664a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024·全国·模拟预测
5 . 已知函数
有两个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba7834c79ffc337d44aa75af9a599d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
6 . 若方程
在区间
上有解,
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64249ae4e67a22f19178512d988cec1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd8308f32b892e39edd5d8014f9bfcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024高三·全国·专题练习
7 . 设二次函数f(x)=3ax2+2bx+c.若a+b+c=0,f(1)f(0)>0.
(1)求证:方程f(x)=0有实根;
(2)设x1,x2是方程f(x)=0的两个实数根,求|x1-x2|的取值范围.
(1)求证:方程f(x)=0有实根;
(2)设x1,x2是方程f(x)=0的两个实数根,求|x1-x2|的取值范围.
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2024高三·全国·专题练习
解题方法
8 . 已知函数f(x) =x2 +2ax+ a+2,x1,x2是方程f(x)=0的两根,分别根据下列条件求实数a的取值范围 .
(1)x1,x2都小于2
(2)x1 <2<x2
(3)两根都在[-2,-1] 之间 .
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名校
9 . 已知函数,
,则下列说法正确的是
( )
A.当![]() ![]() |
B.若经过原点的直线与函数![]() ![]() ![]() |
C.若函数![]() ![]() ![]() ![]() |
D.若函数![]() ![]() ![]() ![]() |
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2024-03-15更新
|
470次组卷
|
2卷引用:山东省菏泽市第一中学南京路校区2024届高三下学期2月月考数学试题
解题方法
10 . 已知函数
的图像经过四个象限,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e0554062b968298c32d0be3648c1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3845f266f2826ada0b825caba49c64b5.png)
您最近一年使用:0次
2024-03-07更新
|
314次组卷
|
2卷引用:2024届高三新高考改革数学适应性练习(九省联考题型)