Identify Functions

Front

Is this relation a function?

Back

Function

Front

Is this relation a function?

Back

Not a function

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Is this relation a function?

Back

Not a function

Front

Is this relation a function?

Back

Function

Front

What is a relation in mathematics?

Back

A set of ordered pairs.

Front

What is the vertical line test?

Back

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

Front

What are inputs and outputs in a function?

Back

Inputs are the x-values, and outputs are the corresponding y-values.

Front

Can a function have the same output for different inputs?

Back

No, every input must have a unique output.

Front

What is a domain in a function?

Back

The set of all possible input values (x-values).