Samantha puts an initial $500 into a savings account. the account has a 4% annual compound interest rate. what is the function that best represents samantha's account and how much does she have in savings after 5 years? round your answer to the nearest dollar. hint: use the formula, f(x) = p(1 r)x.

I use a bit of a different looking formula.

A(t)=P(1+r/n)^nt

P=amount of money. (500)
r= rate (in decimal. 4%=0.04)
n=number of times per year (1 in this problem)
t=amount of time. (5 years)

Plugged in it looks like this:

A(t)=500 (1+ 0.04/1)^1x5

Then I put it into my calculator like this:

0.04/1+ 0.04

Then add one to the above

0.04+1=1.04

Then raise the above answer to the 1x5:

1.04^5=1.2166

Then multiply the above answer by 500:

1.2166 x 500=608.3264512

She has $608 after 5 years.

Hope this helps, let me know if you have any questions.

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