I want to know if my following answers are correct and if they are not what are the correct answers. Thank you

e of 6 Wednesday. October 19, 2016 Which of the following is a Boolean expro heduled in at least one of the three perlods?" that evaluntes to 1 if and only if A is sC (A A2+A3) 24. (4 points) It is possible to construct a new relatio a relation as a composition of a function A True B. False and 25. (4 points) (true/false) A digraph is a Disectedl Graph A. False B. True 26. (4 points) Which is NOT a property of a partial ordering relation? A. transitive B) symmetric C. anti-symmetric D. reflexive 27. (4 points) The table below shows a small database whose records correspond to courses offered in a university ourse Number ourse Title nstructor Semester S1 CS10 CS15 CS20 CS28 n Intro to Computer Science Introduction to Programming Programming Methodology I Programming Methodology II Discrete Mathematics Data Structures OOK Cook Tajil Faroughi Fletter Summer Fall Fall Spring Spring Spring Nguyen Give a key for this database table. A Course Title Course Number C. Instructor D. Semester urjective), g : N x N N with 28. (4 points) (True or False) This is function is onto (s g(n, m) = 2n-4m A. True False