Identifying Functions (Additional Practice)

Front

What is the vertical line test?

Back

A graph is not a function if you can draw a vertical line and it crosses the graph in more than 1 location

Front

Which of the following is a function?

Back

Front

Is the following graph a function?

Back

Yes, because the x never repeats.

Front

Which of the following is NOT a function?

Back

Front

Back

Function

Front

Which set of coordinates is NOT a function? Options: (5,10) (2, -3) (8,12) (-4, 2), (5, 10) (2, 10) (3, 10) (-4, 10), (5, 10) (2, -3) (8, 12) (2, -4), (10, 5), (-3, 2) (12, 8) (2, -4)

Back

(5, 10) (2, -3) (8, 12) (2, -4)

Front

Which set of ordered pairs is a function? Options: (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

Function

Back

Every input has only ONE output

Front

How do you determine if a relation is a function? Options: The vertical line test crosses more than one point on the graph., The same y-values are mapped from the same x-values., The vertical line test crosses only one point on the graph., Each input is related to more than one output.

Back

The vertical line test crosses only one point on the graph.

Front

Back

Not a Function