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Functions

Functions

Functions: Relation Status: It's Complicated Quiz

Think you’ve got your head wrapped around Functions? Put your knowledge to the test. Good luck — the Stickman is counting on you!
Q. Which of the following sets is NOT a relation?


{{1, 2}, {2, 3}, 7}
{(A, B), (Q, Z)}
{(Bob, Jen), (Ayako, Midori)}
{}
{(Kardashian, Sheen), (Snooki, Pippa)}
Q. What is the domain of the relation {(1, 2), (3, 4), (5, 6), (7, 8)}?


{1, 3, 5, 7}
{2, 4, 6, 8}
{1, 2, 3, 4, 5, 6, 7, 8}
{(1, 2), (3, 4), (5, 6), (7, 8)}
{2, 4, 6, 8, who do we appreciate?}
Q. Which of the following ordered pairs is NOT in the relation described by the equation x2 + x – 6 = y2?


(2, 0)
(3, 0)
(-3, 0)

Q. Which of the following relations IS a function?


{(0, 0), (0, 1)}
{(1, 0), (2, 0), (3, 0)}
{(0, 1), (0, 2), (0, 3)}
{(0, 0), (1, 1), (2, 2), (3, 3), (1, 0)}
Uncle Marty
Q. The following graph shows 



the relation {(0, 1), (0, 2), (0, 3), (0, 4)}
the function {(0, 1), (0, 2), (0, 3), (0, 4)}
the relation {(1, 0), (2, 0), (3, 0), (4, 0)}
the function {(1, 0), (2, 0), (3, 0), (4, 0)}
4 points that really need to leave the y-axis and get out more
Q. The following graph shows a function.



True
False
Does it really matter? Can't we all just get along?
Q. The graph shows a function. 



True
False
About 77% true, 23% false
Q. The graph shows a function. 



True
False
Some third, obviously incorrect choice
Q. The graph shows a function.



True
False
I'm going to cover my bases and say, "Tralse"
Q. The graph shows a function.



True
False
Pass
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