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1. If at the beginning of each year, a faily puts $1500 into a bank accout that pays 9% annual interest, how much money will the family have in the account after 12 years? 2. Bill has decided to start taking a daily walk in order to improve his health. He decides to walk 0.5 mile the first day...

ok so the question is ? with a 9 on top and k=1 underneath and (4k^2-5k+1) beside it... I don't even know how to solve this one help!!!