programming methodology

17 1 int f1 0 2 int a = 3; 3 int b = 5; 4 int d = 4; 5 int x = 100; //x is never being used later thus not in the out set {a,b,d} 6 if a > b then 7 f2{a,b,d} ;//union of all (in) successors of b1 => b2: {a,b}, and b3:{b,d} 8 int c = a + b; 9 d = 2; 10 f3 {b,d}; the Summision of the live time of d and care: * (2 points) 5 5 10 20 9 0