関連ワード:  which graph represents function f    which graph represents the function f x 3    which graph represents the function f x 4 x    which graph represents the function f x x2 5    which graph represents the function f x    which graph represents the function f(x)= x−2 +1    which graph represents the function f x 2    which graph represents the function f x x 3 2    which graph represents the function f(x)= x+1 −3    which graph represents a function