If Y(z) is the z-transform of the output function, X(z) is the z-transform of the input function and H(z) is the z-transform of system function of the LTI system, then H(z)=?$

• A. (Y(z))/(X(z))
• B. (X(z))/(Y(z))
• C. Y(z).X(z)
• D. None of the mentioned