This is for C program

and can you explain how did you get the answer?

2) What is the output of the following program? #include int f(int a, int* b) int main() ( int a -3, b -7, c-4 c-%d ", printf("a-%d, b - f(a, &c) printf("a-%d, return 0; b-%d, a, b, c); b-ed, c-%d ", a, b, c) ; int f(int a, int* b) ( printf ( "aasd, b-%d ", return 2*a - (*b) a, *b)