Given the discrete time signal: x ( n ) = { 7 , - 4 , 8 , - 2 , 2 , 3 , 4 , - 3 , - 8 , - 4 , - 6 , - 3 , 4 , 2 , 8 }
a . draw the signal y(n) = 2x(-n+1)+ x(-2n)/2 - 3x(n-2)
b . its corresponding discrete time signal is sequence representation
a and b step by step