已知曲线
在点
处的切线与曲线
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8867b600581522ab45b638ad029c3ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde37fecad8a22afd3c74b3b87ea14d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
2023·陕西宝鸡·模拟预测 查看更多[5]
更新时间:2023-12-07 13:06:08
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【推荐1】已知函数
在其图象上任意一点
处的切线,与
轴、
轴的正半轴分别交于
,
两点,设
(
是坐标原点)的面积为
,当
时,
取得最小值,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87515654174e1fa76a15912439cc2bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0af6b64ace474360bda7c6728f94c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5451a66fb4f48811e042d8ca250f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82120861c1c4f7cc1a7a3f169f082a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5451a66fb4f48811e042d8ca250f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe425da564d4375d9d211fccd4b272f.png)
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【推荐2】设
,函数f
是偶函数,若曲线
的一条切线的斜率是
,则切点的横坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec5bce37c9f6932972a7dd3d084a3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d5ca90982b3007e2221a47f67af61f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48570cc27b935bb55f37b963304237b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda5bd1a52e7821adfdd48c31e3b34ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
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【推荐3】已知过点
的直线
交
轴于点
,抛物线
上有一点
使
,
若
是抛物线
的切线,则直线
的方程是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df97c281d640cf3382a3fd01493bec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ad7c068b9b7c0fd764cf7746407079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ad7c068b9b7c0fd764cf7746407079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐1】已知f(x)=ex,g(x)=lnx+2,直线l是f(x)与g(x)的公切线,则直线l的方程为__________________ .
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【推荐2】若直线
是曲线
的切线,也是曲线
的切线,则实数b=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817660ae353a59115069a0db6b487383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d862b2d81ce290ef1c3dc903841b64.png)
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【推荐1】已知函数
,过点
作曲线
的切线,则切线的条数为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3dea62eb59731fb46238ea6a54571a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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【推荐2】设函数
,若不等式
恒成立,则实数
的取值范围为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7f6d89ad82ec6c51f00047a5f3864d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b1473b3ac4e00d5a4cf986cc36e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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