Given

$\frac{ \frac{3}{x-1} -4}{2- \frac{2}{x-1} } = \frac{ \frac{3-4(x-1)}{x-1} }{ \frac{2(x-1)-2}{x-1} } \\ \\ = \frac{3-4x+4}{2x-2-2} = \frac{7-4x}{2x-4} \\ \\ = \frac{-4x+7}{2(x-2)}$

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3 years ago

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Write a function for the situation described and find the value after 7 yrs. A $16,800 car depreciates 11% each year

seraphim [82]

Answer:The starting value is 20,300, and the value is decreasing by 9.5% each year.

Because it decreases by 9.5% each year based on the previous amount, we use an exponential decay model.

A decrease by 9.5% corresponds to multiplying by 91.5% each year.

We write . We plug in 11 years for t.

$7,671.18

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3 years ago