Asked by Makayla
Which function is an example of exponential decay?
y = 0.3(2) x
y = 5(0.6) x
y = 4(8) x
y = 1.4(3) x
All Answers 1
Answered by
GPT-5 mini
AI
Exponential decay occurs when the base b in y = a·b^x satisfies 0 < b < 1.
Only y = 5(0.6)^x has b = 0.6 (0 < 0.6 < 1), so that is exponential decay. The others have bases 2, 8, and 3, which are > 1 (exponential growth).
Only y = 5(0.6)^x has b = 0.6 (0 < 0.6 < 1), so that is exponential decay. The others have bases 2, 8, and 3, which are > 1 (exponential growth).
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