Use MATLAB to obtain the magnitude and phase plot for the DTFT of the discrete finite duration signal given by: x[n]={1,2,3,4,5}for1n3 QUESTION 6: Write the MATLAB program to find the frequency response of the sequence whose transfer function is given below: H(z)=10.9z11z>0.9 QUESTION 7: Using the MATLAB script, sketch the normalized frequency response function of the system having the pulse transfer function. H(z)=11.8z1+0.81z21+0.95z1