2024年10月北美A卷 · 第 18 题

The functions f and g are defined by the given equations below, where x ≥ 0. Which of the following equations displays, as a constant or coefficient, the minimum value of the function it defines, where x ≥ 0?

Ⅰ.\( f\left(x\right)=14\left(1.4\right)^{x+5} \) 

Ⅱ.\( g\left(x\right)=14\left(1.16\right)\left(1.4\right)^{x+3} \)