某食品的保鲜时间
(单位:小时)与储藏温度
(单位:
)满足函数关系
(
为自然对数的底数,
为常数).已知该食品在0
的保鲜时间是192小时,在33
的保鲜时间是24小时.
(1)求
的值;
(2)求该食品在11
和22
的保鲜时间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985b8f11b56ddf37d46b8175c5cb3b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6f7d6268046de2f13a6c876cfc3e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a067efe04a0dd42e6ab88cd6b73f5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求该食品在11
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901def3ac5aedb8998458f292ddcea6e.png)
更新时间:2017-02-17 08:14:44
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【知识点】 列出指数函数模型的解析式