Question

See attachment for Q.

Answer 1

@Chlorophyll LAST ONE!!!

Answer 2

i don't even have an example for this Q!

Answer 3

\[A=Pe ^{rt}\]?

Answer 4

What?!

Answer 5

i know r=0.013 but were's the 3 go?

Answer 6

so it look like \[A=3Pe ^{(0.013)(t)}\]? that don't make sense.

Answer 7

ok i'm lost. not of this is making sense.

Answer 8

3P = P e^ rt
-> e^rt = 3
=> rt = ln 3
Thus t = ln/ .013 = .... yrs

Answer 9

Thus t = ln3/ .013 = .... yrs

Answer 10

so is it 85?

Answer 11

Yes! It's going to take 85 yrs to triple the population with the increasing rate of 1.3% yearly.

Answer 12

THX!!

Answer 13

yah i know :-( but thx 4 the help. i'm gunna go nap now. lol