已知函数
.
(1)当
时,试求函数图象在点
处的切线方程;
(2)讨论函数
的单调性;
(3)若函数
有两个极值点
,
(
),且不等式
恒成立,其中
,试求整数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e961176258d58dc3c82df5ec8c6ce3aa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41589c0fcdbff1b98bde4ed6c2c1a6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573394d925f221e828978ba5b528dd39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2024-05-12 09:02:11
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【推荐1】已知函数
.
(1)求曲线
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(2)若
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.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d023718e0e6724cfcdd4f6423730944.png)
(1)求曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a945357aa4d7cb2bd48c28af862a3078.png)
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
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解答题-问答题
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【推荐2】已知函数
.
(1)求函数
的图象在
处的切线方程;
(2)若函数
在
上有两个不同的零点,求实数
的取值范围;
(3)是否存在实数
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,都有函数
的图象在
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的值;若不存在,请说理由.
(参考数据:
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6263576e5c3f2324a8dac311476bf9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb7f6f2117908bd8b0bd2a23a5a50a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a131d7f1ebeb8390a4db9a72b771a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bb58d8337b53ffcc78220756ea6b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb7f6f2117908bd8b0bd2a23a5a50a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8f3fabe8c908cf138d0f974439c190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(参考数据:
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(1)若
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(2)当
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名校
解题方法
【推荐2】已知函数
.
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac942b62d8373a6d7e43437c8e3a46a4.png)
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa15c1082bca46a6ddbadd87e96c4075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b398b8c19531aeb65a2f887dc05cf5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知函数
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(1)讨论函数
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(1)讨论函数
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