What is the period of the DTFT function? (

2\\\\pi

)\ Select the types of symmetries exhibited by the four plots of the DTFT function:\ The real part is (even / odd) symmetric\ The imaginary part is (even / odd) symmetric\ The magnitude is (even / odd) symmetric\ The phase is (even / odd) symmetric\ Modify program P3_1.m to evaluate the DTFT of the system given by:\

y[n]+0.3y[n-1]-0.5y[n-2]+0.7y[n-3]=0.7x[n]-0.5x[n-1]+0.3x[n-2]+x[n-3].

\ Insert a copy of the modified program below:\ % Program P3_1\ % Evaluation of the DTFT

5. What is the period of the DTFT function? ( 2) 6. Select the types of symmetries exhibited by the four plots of the DTFT function: - The real part is (even / odd) symmetric - The imaginary part is (even / odd) symmetric - The magnitude is (even / odd) symmetric - The phase is (even / odd) symmetric 7. Modify program P3_1.m to evaluate the DTFT of the system given by: y[n]+0.3y[n1]0.5y[n2]+0.7y[n3]=0.7x[n]0.5x[n1]+0.3x[n2]+x[n3]. Insert a copy of the modified program below: \% Program P3_1 % Evaluation of the DTFT