o For n E N, let A = {a1,a2,a3, - -- ,an} be a set and let F be the set of all functions f : A ) {0,1} from A to {0, 1}. What is the size of F? Now, for 'P(A), the power set of A, consider the function g : F > 'P(A), dened as 90') = {a E A : f(a) = 1}- Is 9 injective? Is 9 surjective