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22 votes
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The table represents the amount of money in a bank account each month.


Month Balance ($)
1 3,600.00
2 3,960.00
3 4,356.00
4 4,791.60
5 5,270.76


What type of function represents the bank account as a function of time? Justify your answer.
This is an exponential function because there is a common difference in the balance between the months.
This is an exponential function because there is a common ratio in the balance between the months.
This is a linear function because there is a common difference in the balance between the months.
This is a linear function because there is a common ratio in the balance between the months.

User David Brower
by
2.5k points

2 Answers

17 votes
17 votes

Answer:

the second answer

Explanation:

User Aidan Gomez
by
2.9k points
24 votes
24 votes

Answer:

This is an exponential function because there is a common ratio in the balance between the months.

Explanation:

If we look at the first and second month of balance, we can see that the difference is 360. If we multiply that by 5, it equalls 1800. If we subtract 5270--3600, it equals 1670, meaning that there is not a linear function, nor a common difference, meaning that the second answer would be correct.

User Tom Susel
by
3.2k points
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