Problem 5 Which of the following boolean functions are satisfiable? If it is satisfiable, show an assignment to the variables which causes the expression to evaluate to 1. a) (x + y)(F + Z) (x + b) (x+y)(F+(x+3x c) (x+y)(F+(x +Z)(Hz) Problem 6 Give equivalent Boolean expressions for the following circuit: Can this circuit be simplified? If so, show the simplified circuit