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ZX-AC75315DB42026年6月国际A卷 · 第 16 题
2026年6月国际A卷 · 原库模块 2 · Q16 参考答案
The functions \( f \) and g are defined by the given equations, where \( x\ge0 \) , a and b are integer constants, \( a<b \) , and \( a>1 \). If \( y=f(x) \) and \( y=g(x) \) are graphed in the xy-plane, which of the following equations displays, as a constant or coefficient, the minimum value of the function it defines, where \( x\ge0 \)?
I. \( f(x)=a(0.54)^{-bx} \)
II. \( g(x)=a(1.46)^{x+2}+b \)
参考答案:
解题思路
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