A relation that is a function. This relation is definitely a function because every x x -value is unique and is associated with only one value of y y. So for a quick summary, if you see any duplicates
What is a Function? A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input. Input, Relationship, Output We will see many ways to think about functions, but
