Question

What function models exponential decay? A. y=−3(1/2)^x B. y=-(1/2)(3)^x C. y=(1/2)(3)^x D. y=3(1/2)^x

Exponential models
ANSWERED
asked 2021-05-12
What function models exponential decay?
A. \(\displaystyle{y}=−{3}{\left(\frac{{1}}{{2}}\right)}^{{x}}\)
B. \(\displaystyle{y}=-{\left(\frac{{1}}{{2}}\right)}{\left({3}\right)}^{{x}}\)
C. \(\displaystyle{y}={\left(\frac{{1}}{{2}}\right)}{\left({3}\right)}^{{x}}\)
D. \(\displaystyle{y}={3}{\left(\frac{{1}}{{2}}\right)}^{{x}}\)

Answers (1)

2021-05-13
The exponential decay has the standard form: \(\displaystyle{y}={a}{\left({b}\right)}^{{x}}\), where 00
The correct answer is D: \(\displaystyle{y}={3}{\left(\frac{{1}}{{2}}\right)}^{{x}}\)
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