jetblackcap
jetblackcap
23-04-2018
Mathematics
contestada
PLEASE HELP ME OUTTTTTTTT
Respuesta :
Аноним
Аноним
23-04-2018
f(t) = 2(0.4)^t
To solve f(-2) we should substitute t = -2 into the equation:
f(-2) = 2(0.4)^(-2)
= 2(6.25)
= 12.5
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