The sales at a particular bookstore grew from $2104 million in 2000 to $3881 million in 2005. Find an exponential function to mo
del the sales as a function of years since 2000. Give your answer using the form B = Boat.
1 answer:
The usual exponential growth equation is given by:
y = C * e^kt, where k greater than 0.
t is the number of years, in this case (2005 - 2000), t = 5 years
C is a constant at x = 0
k is the growth constant
There will be two equations:
2104 million = C * e^k(0)
so, C = 2104 million, the other equation is:
3881 million = 2104 million * e^k(5)
solve for k:
k= 0.12245
The exponential growth equation is:
y = 2104 million * e^(0.12245*t)
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