Math Problem Statement
The consumer price index for a given year is the amount of money in that year that has the same purchasing power as $100 in 1983. At the start of 2020 the CPi was 258.8. write a formula for the cpi as a function of t years after 2020, assuming that the CPI increases by 2.4% every year
Solution
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Math Problem Analysis
Mathematical Concepts
Exponential Growth
Percentage Increase
Algebra
Formulas
CPI(t) = CPI_0 * (1 + r)^t
Theorems
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Suitable Grade Level
Grades 10-12
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