### Write a formula for the cpi as a function of t

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The consumer price index (CPI) 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 2009, the CPI was 211. Write a formula for the CPI as a function of t , years after 2009, assuming that the CPI increases by 2.7% every year.

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