We can check in the graph that, for every point, g has a third of the amplitude of f. For example, when x = 0, we have g(0) = 2 and f(0) = 6 = 3g(0), and, when x = 2, we have g(2) = 1 and f(2) = 3 = 3g(2).
Therefore, we can state that g(x) = f(x)/3
Answer:
A) g(x)=1over 3 f(x)