Can I have some help with this

Question 8 1 pts (PART 1) Determine c such that f(x) satisfies the conditions of being a pmf for the following: f(ac) = 9, if x =0,1 O None of the above O 0 3 O 2 O 1Question 9 1 pts (PART 2) Given that f(a) = , if x = 0,1, after finding the appropriate c, what is E[X]? O OO O 1 O None of the above O(PART 3) Given that f(a) = , if x = 0,1, after finding the appropriate c, what is Var[X]? O O None of the above O 1