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Mathematics, 14.06.2021 22:00 ashleybashaam6821
3. The average cost of electricity used for an 18 cubicft. refrigerator that is 10
years old is $128 per year. A new refrigerator the same size costs about $81 per
year for electricity. (Source: https://www. efficiencyvermont. com)
a. Suppose a new refrigerator costs $500. Determine the total cost of having
either refrigerator for 12 years, assuming the only costs associated with the
refrigerator are its purchase cost and electricity
b. Determine the total annual cost for a new refrigerator that lasts 12 years,
assuming the only costs associated with the refrigerator are its purchase
cost and electricity.
c. Write a function that gives the annual cost of a new refrigerator as a
function of the number of years you own the refrigerator.
d. What are the asymptotes of the rational function in part d? What does the
horizontal asymptote mean in the context of this problem?
e. Sketch the graph of the rational function from partc.
f. If you plan on owning your refrigerator for 12 years, would it be more cost
effective to keep your old refrigerator or purchase a new one? Explain.
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3. The average cost of electricity used for an 18 cubicft. refrigerator that is 10
years old is $12...
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