Question: 1. Suppose that x(t)=t2cos(4t),0t4. Using a MATLAB script file, plot the signals a. x(t)[2 marks] b. x(t). [2 marks] c. x(t/3). [2 marks] d. x(1+2t).

1. Suppose that x(t)=t2cos(4t),0t4. Using a MATLAB script file, plot the signals a. x(t)[2 marks] b. x(t). [2 marks] c. x(t/3). [2 marks] d. x(1+2t). [3 marks] e. x(23t). [3 marks]
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