MCA-281. Show all work for credit. Determine whether the relation R on the set of all Web pages is reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) ER if and only if a) everyone...

Extracted text: MCA-281. Show all work for credit. Determine whether the relation R on the set of all Web pages is reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) ER if and only if a) everyone who has visited Web page a has also visited Web page b. b) there are no common links found on both Web page a and Web page b. c) there is at least one common link on Web page a and Web page b. d) there is a Web page that includes links to both Web page a and Web page b. Enerypt the message DO NOT PASS GO by translating the lettersinto numbers, appying the given enceryption function, and then translating the mumbers back into letters. a) Ap) = (p + 3) mod 26 (the Caesar cipher) b) Ap) = (p + 13) mod 26 c) Ap) = (3p + 7) mod 26