Question

Put the function P=156(0.9)^t in the form P=Poe^kt.
Po=
k=
Help Please!

Answer 1

start by setting 156(0.9)^t equal to Poe^(kt)

Answer 2

how do i solve for them though? i dont know the variables value!

Answer 3

Well we can start off right away sayting the P0 = 156

Answer 4

then what? sorry im a bit clueless!

Answer 5

ohhhh, we end up with \[(0.9)^{t}=e^{kt}\]

Answer 6

now we want to take the ln of both sides

Answer 7

t*ln(0.9)=kt?

Answer 8

yes, solve for k, go for it!

Answer 9

-0.1053605157!!!!!!!!!!!!!!!!!!!!!!

Answer 10

Thanks so much!