Graph Functions Quiz

Using the vertical line test, determine if the graph above shows a relation, a function, both a relation and a function, or neither a relation nor a function.

• A. neither a relation nor a function

• B. relation only

• C. both a relation and a function

• D. function only

Which of these graphs represents a function?

• W.

• X.

• Y.

• Z.

Which of these graphs represents a function?

• Z

• W

• X

• Y

Which of the following relations describes a function?

• { (0, 0), (0, 2), (2, 0), (2, 2) }

• { (2, 2), (2, 3), (3, 2), (3, 3) }

• { (2, -1), (2, 1), (3, -1), (3, 1) }

• { (-2, -3), (-3, -2), (2, 3), (3, 2) }

Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function? (-2,-1) , (1,-4) , (7,-10) , (8,-11)

• A. neither a relation nor a function

• B. both a relation and a function

• C. relation only

• D. function only

Determine whether this picture is an example of a function, relation, function and relation, or neither relation nor function.

• A. function and relation

• B. function only

• C. relation only

• D. neither function nor relation

Which relation diagram represents a function?

• W

• X

• Y

• Z

Which of the following relations describes a function?

• { (2, 2), (3, 2), (4, 2), (5, 2) }

• { (-2, 0), (0, -2), (0, 2), (2, 0) }

• { (0, 0), (2, -2), (2, 2), (3, 3) }

• { (2, 3), (2, 4), (2, 5), (2, 6) }

Which of these graphs represents a function?

• Y

• X

• Z

• W

Which relation diagram represents a function?

• W

• X

• Y

• Z