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Functions

Functions

Functions: Relation Status: It's Complicated True or False

1. Which of the following sets is NOT a relation? -> {(A, B), (Q, Z)}
2. What is the domain of the relation {(1, 2), (3, 4), (5, 6), (7, 8)}? -> {1, 3, 5, 7}
3. Which of the following ordered pairs is NOT in the relation described by the equation x2 + x – 6 = y2? -> (3, 0)
4. Which of the following relations IS a function? -> {(1, 0), (2, 0), (3, 0)}
5. The following graph shows 

-> the relation {(0, 1), (0, 2), (0, 3), (0, 4)}

6. The following graph shows a function.

-> False

7. The graph shows a function. 

-> About 77% true, 23% false

8. The graph shows a function. 

-> True

9. The graph shows a function.

-> True

10. The graph shows a function.

-> True


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