名校
1 . 已知函数
,
(1)当
时,求
的单调递减区间;
(2)若
有三个零点
,且
求证:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c1d68a6733e0a4dd0d2dee412cd6e2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2934e598129330a50d421af214be94.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cddc8d981e864d9d5a86f3e2ae40a91.png)
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3卷引用:浙江省杭州市临安中学2023-2024学年高二上学期开学考试数学试题
名校
解题方法
2 . 已知函数
,若
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f71811d28b66b67bcb6aadb7ea94570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2714f1eb0e74a1a31fa2c35275d368e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3卷引用:安徽省涡阳第四中学2022-2023学年高二下学期第二次月考数学试题
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3 . 设
,
,
,则
、
、
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f673dad4329805fab4e09ea82f1e3b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7c959471ab634a7f884b97f9b223f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acc01aa00861a0b77edc714690afebb.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.![]() |
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7卷引用:陕西师范大学附属中学2022-2023学年高二下学期期末理科数学试题
陕西师范大学附属中学2022-2023学年高二下学期期末理科数学试题贵州省黔东南州凯里市第一中学2022-2023学年高二上学期12月月考数学试题(已下线)专题14 指、对、幂形数的大小比较问题(精讲精练)-1湖南省岳阳县第一中学等2校2022-2023学年高一下学期3月月考数学试题(已下线)4.5 函数的应用(二)(精练)-《一隅三反》(已下线)4.5.1 函数的零点与方程的解(8大题型)精练-【题型分类归纳】(人教A版2019必修第一册)(已下线)专题突破卷02 指对幂比较大小
解题方法
4 . 已知函数
(
),其中
,若方程
恰好有3个不同解
,
,
(
),则
与
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f418d13f77496257934e012aacc96edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e240f1948c5b0d74409ce8585a6f7d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02e4fbda8319948741fd3e7fefbe456.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/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
A.不能确定 | B.![]() | C.![]() | D.![]() |
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