Mathematics, 05.05.2020 11:39 shealene7
Most cellphones depreciate (lose value) as they age. A cellphone that costs $1200 will have a value of $520 at the end of 8 years.
a. What is the rate of change of the cellphone’s value with respect to time?
b. Write a formula for its value, V, when it is t years old (for 0
≤t≤
c. Determine the cellphone’s value after 2.5 years. (2 marks)
d. When is the cellphone’s value $800? (2 marks)
Answers: 2
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Most cellphones depreciate (lose value) as they age. A cellphone that costs $1200 will have a value...
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