- nanarami_18
**Posts:**1**Joined:**Mon May 24, 2010 2:25 am**Location:**~Seattle, WA-
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i know that rate of growth is y=ab^x ... im jus needing some help with rate of decay :/ ... thanks : )

- stapel_eliz
**Posts:**1628**Joined:**Mon Dec 08, 2008 4:22 pm-
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nanarami_18 wrote:i know that rate of growth is y=ab^x

Actually, the rate of growth is one of the variables in the exponential-growth equation, which is what you've posted.

nanarami_18 wrote:im jus needing some help with rate of decay

Without further information (such as data points, or the value of y for given values of a and b), I see no way to determine the value of the rate of growth. Sorry.

My only comment- I hope it's helpful- is that decay is negative growth. same formula? negative exponent,