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The value of a piece of machinery, in dollars, after t years is describedby the function below. What is the value of the machinery after 4 years?f(t) = 12,500 - 1,600t

Respuesta :

[tex]\begin{gathered} f(t)=12500-1600t \\ f(4)=12500-1600\times4 \\ f(4)=6100 \end{gathered}[/tex]

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