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Math Help - exponential function

  1. #1
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    exponential function

    i keep getting it wrong and i cant find my notes,i feel like a big dumb dumb

    A long term investment of dollars has been made by a young widow. The interest is percent per year and is compounded quaterly. If the interest remains at percent per year, to the nearest whole dollar what will the value of the investment be after:

    1 year:
    3 years:
    5 years:
    10 years:
    12 years:
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  2. #2
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    Quote Originally Posted by wannous View Post
    i keep getting it wrong and i cant find my notes,i feel like a big dumb dumb

    A long term investment of dollars has been made by a young widow. The interest is percent per year and is compounded quaterly. If the interest remains at percent per year, to the nearest whole dollar what will the value of the investment be after:

    1 year:
    3 years:
    5 years:
    10 years:
    12 years:
    A = A_0\left(1 + \frac{r}{n}\right)^{nt}<br />

    A = investment value at any time t in years

    A_0 = initial investment

    r = annual interest rate as a decimal

    n = number of compounding periods per year

    t = number of years
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  3. #3
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    thank you muchacho
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