2024年8月北美B卷 · 第 21 题

The functions \(f\) and \(g\) are defined by the given equations, where \(x\ge0\). Which of the following equations displays, as a constant or coefficient, the maximum value of the function it defines, where \(x\ge0\)?
I. \(f(x)=19(1.27)^x+43\)
II. \(g(x)=8(0.77)^x\)