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sergey [27]
3 years ago
7

A new bank account is opened on week 1 with a $200 deposit. After that first week, weekly deposits of $55 are made in the accoun

t. If y represents the total deposited into the account and x represents the number of weeks, which function rule describes this situation?
Mathematics
1 answer:
kobusy [5.1K]3 years ago
3 0
On week 1, we started with a deposit of $200. Every week from that point on, we place a deposit of $55.

We know y is total amount of money (deposits) in the bank account.
We also know x represents the number of weeks.

On week 1, we would have $200 in the back account.
On week 2, we would have $200 + $55 or $255 in the bank account.

So, we could build an expression of 55(x - 1) + 200 which is equal to y.

So, y = 55(x - 1) + 200 is the answer.
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