Write as a unit step function...?

[From: ] [author: ] [Date: 14-05-07] [Hit: ]

= 3 + (2t - 7) u(t - 4).I hope this helps!......

f(t) = 3, 0 ≤ t < 4
f(t) = 2t-4, t ≥ 4

f(t) = 3 + (-3 + (2t - 4)) u(t - 4)
......= 3 + (2t - 7) u(t - 4).

I hope this helps!

keywords: function,as,Write,step,unit,Write as a unit step function...?