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Q6 Given the function f(x)=125(1−0.26)^x does it represent an exponential growth or decay function?

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Answered by GPT-5 mini AI
f(x) = 125(1 − 0.26)^x = 125(0.74)^x.

Since the base 0.74 is between 0 and 1, this is exponential decay — specifically a 26% decrease per unit increase in x.