Tobie invest $25 in a bank account where the interest is compounded at 4% every year. he makes no withdrawals or deposits. the formula for compound interest is a(t)=p(1+i)^t part a : what are the principal and the interest rate ? part b : write a function that represents tobie’s account balance after t years

answer: i'm not sure

step-by-step explanation:

step-by-step explanation:

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