Identifying Functions

Front

Is the graph pictured a function?

Back

No

Front

Which is a function? A, B, C, D

Back

A

Front

Which graph is a function? Graph 1, Graph 2, Graph 3, Graph 4

Back

Graph 1

Front

What is the definition of function?

Back

Every input has only ONE output.

Front

Is this graph a function or not a function?

Back

Function

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What does the vertical line test determine?

Back

If a graph represents a function.

Front

Can a function have the same output for different inputs?

Back

No, each input must have a unique output.

Front

What is an example of a function?

Back

f(x) = 2x + 3

Front

What is a non-function?

Back

A relation where at least one input has multiple outputs.