3 and 5 please .

i=i-3; cout << ì << endl ; 3. What are the THREE parts needed to write and use programmer defined functions in C++? 4. Write a value-returning function that
PayPal Gateway not configured
PayPal Gateway not configured
3 and 5 please .

i=i-3; cout << ì << endl ; 3. What are the THREE parts needed to write and use programmer defined functions in C++? 4. Write a value-returning function that
PayPal Gateway not configured
PayPal Gateway not configured