Ernesto is considering buying a dishwasher for $600. According to a consumer magazine, he can expect to pay $40 per year for the

Question

Ernesto is considering buying a dishwasher for $600. According to a consumer magazine, he can expect to pay $40 per year for the electricity to run the dishwasher. He created the table below to represent the average cost per year, C(t), of owning the dishwasher, including the original price and the cost of electricity, if he keeps it for tyears.
What is the average rate of change for the annual cost of owning the dishwasher between 4 years of ownership and 10 years of ownership?

Kunduz · Accepted Answer

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