C++

1.given the following function information 1. has the name of function01 2. returns a double 3. has 2 ints named x and y as parameters(any order) write the function header

2.given the following function information 1. has the name of function01 2. returns a double 3. has 2 ints named x and y as parameters(any order) write the function call. include any extra variables needed

3.given the following information about a function 1. has the name of function01 2. returns a char 3. has 4 parameters, two ints named x and y, a two floats named f1 and f2 4. the parameter list is the 2 ints (any order) then the 2 floats (any order) write the function header

4. given the following information about a function 1. has the name of function01 2. returns a char 3. has 4 parameters, two ints named x and y, a two floats named f1 and f2 4. the parameter list is the 2 ints (any order) then the 2 floats (any order) write the function prototype

5. given the following information about a function 1. has the name of function01 2. returns a char 3. has 4 parameters, two ints named x and y, a two floats named f1 and f2 4. the parameter list is the 2 ints (any order) then the 2 floats (any order) write the function call. code any extra variables as needed