What function implements the following code: library ieee ; use ieee. std logic 1164.all ; entity prob is port ( w : in std logic vector(1 to 3) ; f : out std logic ) ; end prob6 19 ; architecture behavior of prob is begin with w select f < = ’0’ when "001", ’0’ when "110", ’1’ when others ; end behavior ; question 33 options: a) 2-to-1 multiplexer b) 3-to-1 multiplexer c) 1-to-8 decoder