関連ワード:  how to tell a graph is a function    how to tell if a graph represents a function    how to know a graph is a function    how to tell if a graph is a function or not    how to tell if a graph is a function or relation    how to tell if a graph represents y as a function of x    how to determine if a graph is a function of x    how to tell if a graph is a polynomial function    how to tell if a graph is a linear function    how to tell if a line graph is a function  
結果 : how to tell a graph represents a function