Make a sketch of the given function on [0, 0) and express it in terms of...

 

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Make a sketch of the given function on [0, 0) and express it in terms of the unit step function: a) f(t)= = b) f(t) = 2, 2sin(t), -2, 0, 4-t, 0 ≤t<n/2 π/2 < t < 3π/2 t≥ 3π/2 0 < t < 2 2 <t<4 t24 Make a sketch of the given function on [0, 0) and express it in terms of the unit step function: a) f(t)= = b) f(t) = 2, 2sin(t), -2, 0, 4-t, 0 ≤t<n/2 π/2 < t < 3π/2 t≥ 3π/2 0 < t < 2 2 <t<4 t24