The sum of two rational numbers is always a rational number. If a/b and c/d are any two rational numbers, then (a/b + c/d) is also a rational number. Commutative property of addition of rational numbers: Two rational numbers can be added in any order.
the first thing you have to do is to get the x and the y axis and add them to then decrease that by o,5 and then you get f of which you multiply it by 2 adn you get your answer.
