Write an exponential formula of the form f(t)=a⋅bt\displaystyle {f{{\left({t}\right)}}}={a}\cdot{b}^{{t}} to represent the following situation. Assume t\displaystyle {t} is in years.

An account has an initial investment of $119,000, depreciating by 4.82% per year.


f(t)\displaystyle {f{{\left({t}\right)}}}=  

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