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exponential decay formulas. Decay Formula A quantity is subject to exponential decay if it decreases at a rate proportional to its current value. N N 0 e l t displaystyle NN_0e-lambda t where N is the quantity at time t N0 N is the initial.
If 0 b 1 the function represents exponential decay. The final value is the weight 1 hour later. So we have a generally useful formula.
Where y t value at time t.
K rate of growth when 0 or decay when. The table of values for the exponential decay equation y 1 9 x demonstrates the same property as the graph. 2 2 9 0 7 3 x. T 60 minutes.