What is the answer?

Question

int addNumbers(int x,_y)
{
int answer = _+ y;
return ______;
}

Answer 1

int addNumbers(int x,int y)
{
int answer = x + y;
return answer;
}

Answer 2

int addNumbers(int x,int y)
{
int answer = x+ y;
return answer;
}

Answer 3

answer and int and x. Thank You. God Jesus Bless.

Answer 4

I try to put result but it's wrong