Hello, I am in a C++ class and we are starting to learn about functions. Unfortunately I wasn't in class for a few days due to being sick. So today I came back and we got this Assignment, can someone help explain how to do these tasks. Thank you !

4) Write a function isEven that checks if an integer is an even number. The function returns true if the number is an even number otherwise, it returns false. The function prototype is: bool isEven (int x); In the main function, use the following code to test is function int a cout Enter an integer cin a; if (is Even (a)) cout a is an even number endl; else cout a is an odd number endl