Problem A germ population has a growth curve $Ae^{0.4t}$. At what value of $t$ does its original value doubled?

Answer Key

Solution

Initial population is when t = 0 $P_o = Ae^{0.4(0)} = A$

Time t when P = 2P_{o} $2A = Ae^{0.4t}$

$t = 1.73$ ← answer

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