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Mathematics 21 Online
OpenStudy (anonymous):

The amounts A, B, and C, in grams, are decaying exponentially according to the functions below. Which amount will decay to 4 grams fastest? A(t) = 8 * e^-0.1386t B(t) = 10 * e^-0.02t C(t) = 9 * e^-0.1t

OpenStudy (anonymous):

Plug in 4 for A(t), B(t), and C(t), and algebraically solve for t using division and the natural logarithm. Whichever t is smallest is the shortest time to decay.

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