Question: The model t = 16.625 ln x/x - 750, x > 750 approximates the length of a home mortgage of $150,000 at 6% in terms

The model t = 16.625 ln x/x - 750, x > 750 approximates the length of a home mortgage of $150,000 at 6% in terms of the monthly payment. In the model, t is the length of the mortgage in years and x is the monthly payment in dollars.
(a) Approximate the lengths of a $150,000 mortgage at 6% when the monthly payment is $897.72 and when the monthly payment is $1659.24.
(b) Approximate the total amounts paid over the term of the mortgage with a monthly payment of $897.72 and with a monthly payment of $1659.24. What amount of the total is interest costs in each case?
(c) What is the vertical asymptote for the model? Interpret its meaning in the context of the problem.

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t 16625 ln xx 750 x 750 a When x 89772 t 16625 In8977289772 750 30 years When x 165924 t 16625 ... View full answer

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