Is it a function?

Front

What is the definition of a function?

Back

A relation where each input has exactly ONE output.

Front

What does the vertical line test determine?

Back

Whether a graph represents a function.

Front

Which graph does NOT pass the vertical line test?

Back

Graph 1.

Front

Is the relation {(1,2), (1,3), (2,4)} a function?

Back

No, because the input '1' has two different outputs.

Front

What is an example of a function?

Back

The relation {(1,2), (2,3), (3,4)} is a function because each input has one output.

Front

What is a non-function example?

Back

The relation {(1,2), (1,3)} is not a function because the input '1' has two outputs.

Front

What does it mean if a graph has repeating x-values?

Back

It does not represent a function.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Front

What is the output of the function f(x) = x + 2 when x = 3?

Back

The output is 5.

Front

What is the domain of a function?

Back

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