Ryan opens a bank account with $50. Each month he deposits an amount that doubles his savings. Ryan gets $2 from the bank each month as an incentive for maintaining this savings pattern. Which of the following recursive function represents the amount in Ryan's account in any month? A. next = 2 * now + 2, starting at 50 B. next = 2 + 2, starting at 2 C. next = now + 2, starting at 50 D. next = 2 - now, starting at 50 E. next = 2 * now, starting at 2

Question

Mac

Mathematics

27 August, 17:59

Ryan opens a bank account with $50. Each month he deposits an amount that doubles his savings. Ryan gets $2 from the bank each month as an incentive for maintaining this savings pattern. Which of the following recursive function represents the amount in Ryan's account in any month? A. next = 2 * now + 2, starting at 50 B. next = 2 + 2, starting at 2 C. next = now + 2, starting at 50 D. next = 2 - now, starting at 50 E. next = 2 * now, starting at 2

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Answers (2)

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Yaritza Haley · Answer 1

A

The initial amount is $50

It is doubled every month

And 2 dollars is added by the bank

Therefore, the equation becomes:

Next = 2 x now + 2, starting at 50

Anna · Answer 2

I would say that it is 2*now + 2 starting at 50, which is A.