Exponents & Logs (id: 1fc3b814e)

本题目来源于试卷:  Exponents & Logs，类别为 IB数学

[填空题]
Consider $f(x)=\log _{k}\left(8 x-2 x^{2}\right)$ , for
$0\lt x \lt4$ , where k>0 .
The equation f(x)=3 has exactly one solution. Find the value of k .   

参考答案: 2±2%


本题详细解析:

微信扫一扫，分享更方便