The value of a computer is $1200. It loses 20% of its value every year. Write a function the represents the value y (in dollars) of the computer after t years. The find the value of the computer after 5 years.

Question

Maverick Chandler

Mathematics

9 October, 14:01

The value of a computer is $1200. It loses 20% of its value every year. Write a function the represents the value y (in dollars) of the computer after t years. The find the value of the computer after 5 years.

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Albert Mills · Answer 1

y = 1200 (.80) ^t Plug in 5 for t (time).

y = 1200 (.80) ^5

.80^5 = 0.33

0.33 x 1200 = 395

Therefore, the value of the computer after 5 years has deteriorated to $396.