CAN YOU PLEASE ANSWER THIS IN C++

What is the output of the given program segment? Assume that the file has been included.

double x = -5.49;

cout<

What is output by the following segment when function f1 is invoked?

void f1()

{

int x = 5;

f2( x );

cout << x << endl;

}

void f2( int x )

{

x += 5;

cout << x << endl;

}

What is the output of

cout<< mystery ( 6, 2, 5) << endl;

assuming the following definition of mystery?

int mystery( int x, int y, int z)

{

int value = x;

if (y > value )

value = y;

if (z > value )

value = z;

return value;

}