question archive Question 1 Answer Becky invests some money that she anticipates will average an annual return of 7%

Question 1 Answer Becky invests some money that she anticipates will average an annual return of 7%

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Question 1 Answer Becky invests some money that she anticipates will average an annual return of 7%. About how many years will it take Becky's money to double at this rate ? Show your work using function notation Question 2 Answer Becky is curious how her investment must perform to have her money double faster . What yearly return rate would her investment need to to earn in order to double in 8 years ? Show your work using function notation . Question 3 Answer Becky tells her friend about the Rule of 72 and her friend immediately tries it out with her own example . Becky doesn't see all of her friend's math but does see f (4 )=18 written on her friend's paper a. What do you know about the friend's investment based on this ? b. Is the friend's math correct based on the rule of 72? Question 4 Answer Becky's brother has an investment account that he says earns an average of 13% each year . If this is the case , about how long will it take

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