Which of the following justifies the linearity property of z-transform?[x(n)↔X(z)].

• A. x(n)+y(n) ↔ X(z)Y(z)
• B. x(n)+y(n) ↔ X(z)+Y(z)
• C. x(n)y(n) ↔ X(z)+Y(z)
• D. x(n)y(n) ↔ X(z)Y(z)