Identifying Functions and Their Properties

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Is this mapping a function or not a function?

Back

Function

Front

Which ordered pair could you add to the following list of points to create a function? (3, 5) (4, 9) (2, 5)

Back

(1, 9)

Front

What is the definition of function?

Back

Every input has only ONE output.

Front

Which graph does NOT pass the vertical line test?

Back

Graph 1

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; if a vertical line intersects the graph at more than one point, it is not a function.

Front

Can a function have the same y-value for different x-values?

Back

Yes, a function can have the same y-value for different x-values.

Front

What is an ordered pair?

Back

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

Front

What does it mean for a relation to be not a function?

Back

It means that at least one input has more than one output.