SOLUTION: A laptop computer is purchased for $1500. Its value each year is about 80% of its value in the preceding year. Its value in dollars after t years is given by the exponential functi
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Question 315374: A laptop computer is purchased for $1500. Its value each year is about 80% of its value in the preceding year. Its value in dollars after t years is given by the exponential function
v(t) = 1500(0.8)^t.
a) After what amount of time will the computer's value be $900?
b) After what amount of time will the computer's value be half the original value? Answer by josmiceli(19441) (Show Source):