Mathematics, 19.07.2019 12:00 caitlynnstokes

You are saving for a bicycle that costs $120. you deposit $75 in an account that earns compounded annually. the expression 75(1+r)^2 represents the balance after 2 years the annual interest rate in decimal form. a. write a polynomial that represents the balance of your account. b. what is the balance of your account when the interest rate is 10%. c. how much more money do you need to buy the bicycle?

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You are saving for a bicycle that costs $120. you deposit $75 in an account that earns compounded an...