Suppose f(x) = x^2 and g(x) = (1/3x)^2. which statement best compares the graph of g(x) with the graph of f(x)? a. the graph of g(x) is shifted 3 units to the right. b. the graph of g(x) is horizontally stretched by a factor of 3. c. the graph of g(x) is horizontally compressed by a factor of 3. d. the graph of g(x) is vertically compressed by a factor of 3.