汽水放入冰箱后,其摄氏温度x(单位:℃)与时间t(单位:h)的函数关系为:
.
(1)求汽水温度x在
处的导数;
(2)已知摄氏温度x与华氏温度y(单位:℉)的函数关系为
.写出y关于t的函数解析式,并求y对t的导数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91aecd615d8c0e494cc07848fba49138.png)
(1)求汽水温度x在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
(2)已知摄氏温度x与华氏温度y(单位:℉)的函数关系为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1283289c976db58f72f5357ebfb920.png)
更新时间:2023-10-11 09:08:21
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知函数
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(1)若函数在
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的取值范围;
(2)当
时,令
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(1)若函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c709bb0d173fc3ea08b98cdd471768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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适中
(0.65)
【推荐2】如图,煤场的煤堆形如圆锥,设圆锥母线与底面所成角为
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(1)高h与半径r有什么关系?
(2)传输带以
/min送煤,当半径
m时,求r对时间t的变化率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/5b1a0475-9514-40de-9081-4ab0a9e021ea.png?resizew=281)
(1)高h与半径r有什么关系?
(2)传输带以
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适中
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【推荐1】已知函数
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(1)求a的值;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a82c350fab44b7fca501e9b85a12c02.png)
(1)求a的值;
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
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【推荐2】设函数
的导数
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处的切线方程;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab8a46dc015bfbf0f5184cc6207c745.png)
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(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee96ca24fd086a74a442580a94eae63.png)
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