Unformatted text preview: to A(t), then (a) find a differential equation and an initial condition that describe A(t). What is the sign of the constant of proportionality k in the d.e.? c1f\ \f. . 1'\. c\ f\ A cl"t '" ~o ol t :: k .V\.itl~ k <.. OK ¥t ~I:f\ Vv"~ 1<>0 (b) the solution of the IVP in part (al is A(t) = 100ekt. Find the value of k. lU~' l~ 9r~~U/\ Lk~ A(fc,') ~ (17 So Q \<:." ~ k ·1 7::: (00 ete.. ~ 0, q7. • I...
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 Spring '08
 SATOKO
 Math, Differential Equations, Equations, Mass, Mathematical constant, radioactive substance, correct methods

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