Function or Not a function?

Front

In order to be a function, what must be true? Options: each x value has only one y value, each y value has only one x value, each x has only one y & each y has only one x, each x and y are equal

Back

each x value has only one y value

Front

Back

Not a Function

Front

Which of the following statements is true about a function?
- A graph passes the vertical line test
- A graph does not pass the vertical line test.

Back

A graph passes the vertical line test

Front

Back

Function

Front

Back

Function

Front

Is this graph a function or not a function?

Back

Function

Front

Back

Not a Function

Front

Back

Not a Function

Front

Which graph does NOT pass the vertical line test? Options: Graph 1, Graph 2, Graph 3, Graph 4

Back

Graph 1

Front

Back

It's not a function because a vertical line hits it twice.