35. 33
If you invest some money at a
5.5% rate compounded
continuously, how long will it
take to double?
12.6 years
36. 34
You invest $1500 at a 4.9% interest
rate compounded quarterly. How
much will you have in 3 years?
$1735.98
37. 35
A certain city has a population of 4000
people in 1990 and 4500 people in 2000.
Find an exponential function to model this
population. Then predict the population in
2015.
y = 4000e.0118t
13018 people