Given the value of computer at t years V(t) = 2000e^-.35t The rate of the computer value falling is given by: dv(t)/dt= 2000 x 0.35e^-0.25t= -700e^-0.35t at t= 3years, dv(t)/dt|t=3 =-700e^-0.35x3 = -245 The computer value falls at a rate of 245 after 3 years.
