Functions and Relations

• Function
• Not a Function

A set of ordered pairs is called what?

• Coordinates

• Relation

• Function

• Vertical Line Test

A relation where every input in matches with exactly one output is called what?

• Relation

• Linear

• Exponential

• Function

What is the domain?

• the set of all x-values

• the set of all y-values

Which graph is a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Is this a function? 

• Yes 

• No

Is this a function? 

• Yes 

• No

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

In the given relation, what domain value corresponds to the range value -2?
{(-1,2), (-2,4), (2,5), (0,-2), (2,0)}

• -2

• 0

• 2

• 4