SOLUTION: how do you know wether a graph is a function are not?

Algebra ->  Graphs -> SOLUTION: how do you know wether a graph is a function are not?      Log On


   

Question 283478: how do you know wether a graph is a function are not?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
If the graph passes the vertical line test, then the graph is a function.