Relations and Functions

Front

What is the domain?

Back

The set of all x-values.

Front

A set of ordered pairs is called what?

Back

Relation.

Front

Is this mapping a function or not a function?

Back

Function.

Front

Does the graph represent a function?

Back

No, because the vertical line test shows there are repeating input values.

Front

What is the range?

Back

The set of all y-values.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function by checking if a vertical line intersects the graph at more than one point.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point on a graph.

Front

What is a relation?

Back

A set of ordered pairs.

Front

What does it mean for a function to be one-to-one?

Back

Each output is paired with exactly one input, meaning no two different inputs produce the same output.