解题方法
1 . 已知指数函数
,且
的图象过点
,
.
(1)若
,求
的取值范围;
(2)判断
在
上的单调性;
(3)设
,试比较
的大小,并将它们按从小到大的顺序排起来.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cae47ad50ac506ced900f0a5156c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf960e02c72a12e97c86091b8a8f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ef72191a9ac3bd5a325395a72bdc2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1d195c6dcc117e03c8703273120401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d94bd43003dbb6412d6fe38c89abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c5fe8a9ad42e52a8a40242865c6752.png)
您最近一年使用:0次
名校
解题方法
2 . 函数
和
的大致图象如图所示,两个函数的图象在第一象限内的交点为
.
![](https://img.xkw.com/dksih/QBM/2022/12/16/3132136599896064/3132975756730368/STEM/0cc3c13d8e814b348f69657372451105.png?resizew=151)
(1)指出图中曲线
分别对应哪一个函数(无需证明);
(2)比较
的大小,并按从小到大的顺序用“<”连接起来;
(3)若
,其中a,b为整数,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfdccf88b4dd13ddcf13373b71c5034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662fdb3a0fb24b7150b03a5a900f9a59.png)
![](https://img.xkw.com/dksih/QBM/2022/12/16/3132136599896064/3132975756730368/STEM/0cc3c13d8e814b348f69657372451105.png?resizew=151)
(1)指出图中曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
(2)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021075457b72448f29e792b3a83c01a6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8275416d82b8b0f41408ad8a2ae90b.png)
您最近一年使用:0次
2022-12-17更新
|
193次组卷
|
3卷引用:安徽省皖北县中联盟2022-2023学年高一上学期12月联考数学试题