Question 5 (12.5 points) Given the following graphs of the two function which statement must be true? f(x) 5 4 3 3 2 2 -5 -4 -3 -2 -1 1 2 3 4 5 -1+ -2 -3 -4 5 = g(x) = (x) g(x) = f(9 x) g(x) = 9 f(x) g(x) = f( x)