解题方法
1 . 已知函数
为幂函数,若函数
,则
的零点所在区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f09fe72acc9257cffb0f95cbf8de92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/476dadbb860c29667c008352e1d3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-06更新
|
268次组卷
|
2卷引用:山东省临沂市2023-2024学年高一上学期期末学科素养水平监测数学试题
2 . 已知函数
的图象是连续不断的,且
的两个相邻的零点是
,
,则“
,
”是“
,
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379fad530acd36a6551c85c382323655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ca444c955feb9863f1ceba25c89d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff2950a162366e23cee7e03ac11fb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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3 . 已知函数
若函数
有三个零点
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5addf449b5cbf3a6997e26ce94a7778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25079f12119793682bee7dcd103d12e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
A.![]() | B.![]() |
C.函数![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
4 . 将函数
的图象绕原点逆时针旋转
后得到的曲线依然可以看作一个函数的图象、以下函数中符合上述条件的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0c062ae7e09c2b65dc60d116787f39.png)
(1)写出函数
的单调区间;
(2)当函数
有两个零点时,求
的取值范围;
(3)求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0c062ae7e09c2b65dc60d116787f39.png)
(1)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93f50396418788de0319512c2cd785a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f0bd8d75c9029dbea917d1de01c280.png)
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6 . 已知函数
,当
时,不等式
的解集是______ ,若
恰有2个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68dfcd9c934fc39cff91f2ee0652599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 若
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384603ec04fa542cad4db613189dac5c.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/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知函数
,且函数
的图像如图所示,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/7984fbd3-8bd7-4b54-8716-04db78366c1d.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0450d51ee1a544bfea7a257b64ad4cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/7984fbd3-8bd7-4b54-8716-04db78366c1d.png?resizew=157)
A.![]() |
B.若![]() ![]() |
C.已知![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-02-21更新
|
265次组卷
|
2卷引用:山东省临沂市第十八中学2023-2024学年高一上学期期末仿真数学试题
9 . 已知函数
,
.
(1)写出
的单调区间,并用单调性的定义证明;
(2)若
,解关于
的不等式
;
(3)证明:
恰有两个零点m,
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0676c35e842a3a86d3b752cae5ca0576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0a1faf66cdc3558d05205fd8f5187d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3484588665d34c47ac3d2ef5c7ef5f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9947fdb8b6b390de995711ef15d82e70.png)
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10 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若函数
有两个零点,求
的取值范围;
(3)设
,若对任意
,函数
在区间
上的最大值与最小值的和不大于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cee87831428b8c903f652cb7ea28543.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d24227741bf427e6bd73490baf3c3d6.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8df1791b50af570f544c35cdc1f5530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1b5aab5b2503fd069a320e149aa1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48222eea9755a7c7635578031a573bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4096ebda06e298e48c475986932e4829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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