(c) Consider a function that returns an integer by reference and has 4 parameters of type integer pass-by-reference, a string pass-by-value, unsigned integer pass-by-value, and double pass-by-reference using pointer. The name of the function is myFunction. Declare a function pointer of the above function and initialize it. Answer: (d) Consider the following program: 1 double f(const double &x) return x + x + 2; 2 3 4 5 int main() const double y = 6.5; 6 7 return 0; 8 ) write a cout statement at line 6 to display the returned value from calling with y as the argument