(Solved): 11. Describe the Vertical Line Test and explain its use when dealing with relations and functions. ...

11. Describe the Vertical Line Test and explain its use when dealing with relations and functions. Use graphs and examples in your explanation. [C4] 12. Every relation is a function, but not every function is a relation. Is this statement true or false? Explain. If it is false, write down the correct statement. [C4]