both questions please

Question 4: (3 Mark) For the below graph: 1- Write all the edges that are incident on node f if there are any. 2. Write all the vertices that are adjacent to g if there are any. 3- Write all parallet edges and all isolated vertices if there are any. Question 5: (4 Mark) Let X={a,b,c,d,e}.P(X), is the power set of X. A relation defined as follows: For all sets A and B in P(X), ARBAB= Answer the following two questions: a) Does {a,c}R{a,b,e,d,c} hold? Yes or No, justify your answer. b) Does {a,c,d,e,b}R{a,b,c} hold? Yes or No, justify your