解题方法
1 . 已知函数
,
.
(1)当
时,求证:
;
(2)求函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fdcf51b2a785824d572b31408dda50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36595df15ce05203ab0ece7fadcfd38d.png)
您最近一年使用:0次
2024-02-27更新
|
463次组卷
|
2卷引用:1号卷·2022年高考最新原创信息试卷(四)文数
2 . 已知函数
.
(1)求函数
的单调区间;
(2)若
,且
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891c3b61504044e5f1f675c0eb3dc7ac.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41bc57877dc371372dc4145d2b56f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c960fc862fd36db83082f5c50cd604b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec30573e9ef491771f219d4b2c22f78.png)
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解题方法
3 . 已知函数
,
.
(1)当
时,求证:对于任意
,
;
(2)当
时,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5641338be372805db36b81f2dfd7e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e212f563f8f943545e4bca191e79dae.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e689501b20fc4a9160eeab0add423583.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb9042d849b422a68cacd0f0f2d3f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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4 . 设函数
,
.
(1)求函数
的单调区间;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9f67dc1bd998eb5349aa42b2ddcca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3858371064d37d3b59b15aaaac6e4f3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858c50a9f39d005d2fd53d93b0485b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efe6ed0d1b12262d3d225437346ae91.png)
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解题方法
5 . 已知函数
,不等式
在
上有解,则实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc436eb1738984ed3b50eca6569a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0861a7d29c35618b5a7d3ff1559429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b4888d8cf85f200763db925ce501b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-26更新
|
244次组卷
|
2卷引用:中原名校2022年高三上学期第四次精英联赛理科数学试题
6 . 已知
,其中
为自然对数的底数.
(1)求证:
有且只有两个零点;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde083742636d8ff55411e66e982a1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29f0bf37db907883439f4de39dc4f6.png)
您最近一年使用:0次
7 . 已知函数
,
,
.
(1)求函数
的单调区间;
(2)若对任意
,
的图象始终在
的上方,求实数
的最大整数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c4c0688af1b9c1bb748ebc72dc59de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a323e016a1d051b62e5d26076bee30e.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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8 . 已知函数
.
(1)若函数
仅有1个零点,求实数a的取值范围;
(2)已知
,
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea764080dd9860df23c7022ca914ea6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5147afedf2c3ee60cf05a06e4a49fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b26e4a833696621ba4cbe36b61aa18d.png)
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解题方法
9 . 已知函数
.
(1)求函数
在区间
上的最值;
(2)求证:
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366ebed313172a029b6525980a60d2e2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5301ffe7ff13e2ae5f63afcddaa6fb.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdcd7fb69ba1cf98b6992cd5a508e24.png)
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10 . 已知函数
.
(1)若曲线
在点
处的切线方程为
,求实数
的值;
(2)若
时,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8849dbd21c145d5538d3be22c212c5a9.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ebcdbf5fd576e70e160e38e663f690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3808a43fcc8d274305af279c99074b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a0bea71ac38c648d7ba20e00cbacb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fb0c245c1c696b50c05f4e69c1187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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