The question in incomplete..f(x) maybe a polynomial of any degree and will yield varying results for each ..but assuming it's a linear equation , we would have f(x) = x +2 , So , F(5) = 7.
The number of pieces in a whole relates to the size of each piece because say you have a pizza and you want to divide into five pieces for five of your friends it depends on how big the pizza is to if it can feed that many people.
7(x^2 +5x-7)
i think this is how it works
The anwser is for the question tht u are looking for is no other then the first anwser A!!!
