3. The signal x(t) = 0 for t ...

 

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3. The signal x(t) = 0 for t <3. For what values of t, w(t), y(t), and z(t)will be ZERO? a) w(t) = x(1 t) b) y(t) = x(3t) c) z(t) = x(t/3) 4. The signal x(t) is shown. Sketch signals y(t) and z(t). 1 0 a) y(t)= x(2t + 1) b) z(t) = x(4-t/2) 3. The signal x(t) = 0 for t <3. For what values of t, w(t), y(t), and z(t)will be ZERO? a) w(t) = x(1 t) b) y(t) = x(3t) c) z(t) = x(t/3) 4. The signal x(t) is shown. Sketch signals y(t) and z(t). 1 0 a) y(t)= x(2t + 1) b) z(t) = x(4-t/2)