amym814 amym814

28-01-2017
Mathematics

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how do i find x (time) when it's an exponential function? please help

how do i find x time when its an exponential function please help class=

Respuesta :

TheHero TheHero

28-01-2017

Using exponentials inverse function (logarithms )
Or common base method which is not always easily applicable

ln600 = ln2100 + xln0.5

x = ln(600/2100) / ln0.5 = 1.81

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