A price study tracked the cost of a bag of groceries over a five-year period. The data can be modeled by a function of the form C=a(b)x
C
=
a
(
b
)
x
, where x
x
represents the number of years since the study began.
Grocery Price Study
Years Since
Study Began Cost
($)
0 30.00
1 32.10
2 34.35
3 36.75
4 39.32
Which value is the best prediction of the cost of the groceries nine years after the beginning of the study?
