已知函数
.
(1)求函数
在
处的切线方程;
(2)若过点
存在3条直线与曲线
相切,求
的取值范围;
(3)请问过点
,
,
,
,
分别存在几条直线与曲线
相切?(请直接写出结论,不需要证明)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553e916cbe7f202d8c400aef83b99391.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aefcf9299f5c114ef8a072d3279d625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)请问过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f12f12b6e78f741846da2d56089631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947bca78fd2d7a7436dd9dedbba3baa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b08c0db034208fc9cdc0e7e7817f321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
23-24高三上·贵州黔西·阶段练习 查看更多[3]
更新时间:2023-09-23 11:13:38
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解答题-问答题
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适中
(0.65)
【推荐1】设函数
.
(1)求函数
在点
处的切线方程;
(2)若方程
在区间
上有两个解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d40624fc4d5a669a76185052ee6b8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444ec38ac2cc99a5a33de4e058d0256d.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443b896b4faf1331f92200511de4b3c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138b0357599fab68c3c22e74ca4ec9fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0c0fb7d7810f3f95415e61621d07a4.png)
(1)若过点
作函数
的切线有且仅有两条,求
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(2)若对于任意
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(1)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11906f6d52225af3a5ae55e58cbc64c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4ca5250e8a54f4fb86885c43e986d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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适中
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【推荐3】已知曲线
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(1)求
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适中
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【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f81c864614148ded81550b80a37e48.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f81c864614148ded81550b80a37e48.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba65060b0988d7128947c4ac00dcbac8.png)
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(2)讨论f(x)的极值.
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解答题-问答题
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适中
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【推荐3】已知函数
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(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐1】设函数
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(1)求
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(3)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d2a2e7e7f3cbc547fbac3b123f3c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6e1d0db0980774b5c2d650bfc2dda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0246cd790c7d069962717c63e36d0779.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
【推荐2】设函数
,
,
(1)求曲线
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(2)设
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存在两个不同的零点
,
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(3)在(2)的条件下证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fd7c5b777e3025b76d4a7a9e246067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d9b08d13abfb2e40b9f2d8ed8d4d15.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15c2171c1be9ec394494ad822a048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c985d6a1e024804ccd86092e4e020cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037f95b0ebd7fd758063bccd857f4ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)在(2)的条件下证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5539f456fc9375d64009c76757da0d91.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐3】已知函数
.
(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130b8926cff572a37d8dc9c95ed5d1cd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdfb927cbbf90190e0fa1604d29c116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9587df831df1af5e7dd6be5fdc7bd8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次