V(0-2) = 7+2*t = 7+4 = 11m/sX(0-2) = 2+7*t+t^2 = 20mV(2-3) = 11m/sX(2-3) = 20+11*t = 31mV(3-4) = 11-2*t = 9m/sX(3-4) = 31+11*t-t^2 = 41m=>h(t) = t^2 + 9*t + 41
V(2-3) = 11m/sX(2-3) = 20+11*t = 31m
V(3-4) = 11-2*t = 9m/sX(3-4) = 31+11*t-t^2 = 41m
=>h(t) = t^2 + 9*t + 41
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