SOLUTION: According to the United States Census Bureau the population of Utah was 2.12 million people in 1997 and 2.53 million people 9 years later in 2006. Use an explicit exponential model

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Question 1146554: According to the United States Census Bureau the population of Utah was 2.12 million people in 1997 and 2.53 million people 9 years later in 2006. Use an explicit exponential model to calculate the rate of growth of the population over this time period.
Express the rate of growth as a percentage. Round to the nearest hundredth.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
r, growth rate as decimal
x, time in years, 0 for year 1997

2.12%281%2Br%29%5E9=2.53
.
.
.
After finding the value for r
P=2.12%281%2Br%29%5Ex