1) Write a function that accepts three numbers as parameters and returns their sum. Don't use any other functions for this. 2) Write a function that accepts two numbers as parameters and returns the difference of the first number minus the second. No other functions allowed. 3) Write a function that accepts two numbers as parameters and returns the integer quotient of the first divided by the second. floor function allowed. 4) Write a function that accepts two numbers as parameters and returns the integer remainder of the first divided by the second. floor function allowed. 5) Write a function that accepts a String as a parameter and outputs it to the screen. fprintf function allowed