7. What would be the output of the following program?

#include

using namespace std;

int fun1(int x, int y);

int fun2(int x);

int main()

{

int a = 4, b = 5;

b = fun1(a, b);

cout << fun2(b);

return 0;

}

int fun1(int x, int y)

{

int ans; ans = x + y;

return ans;

}

int fun2(int x)

{

return 2 * x;

}

A. 9

B. 5

C. 0

D. 18

E. 10