What percent of $5x$ is equal to $x/5$?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function