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).