The value of x is $30.
From the question, it can be deduced that Jeremy's investment account earns a compound interest. Compound interest is when the amount invested and the interest that has already accrued increases in value anytime interest is paid.
The formula that can be used to determine the value of x is:
x = FV / (1+r)^t
X = 480 / (2^4) = $30
To learn more about compound interest, please check: https://brainly.com/question/26367706
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