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Relations and Functions #2
  • 1. A relation is a set of _____________.
A) functions
B) ordered pairs
C) y-values
D) x-values
  • 2. Domain is a list of all of the ____ values of a relation or function.
A) z
B) x
C) y
  • 3. Range is a list of all of the ____ values of a relation or function.
A) y
B) z
C) x
  • 4. What is the domain of this function: {(0, 1), (2, 3), (-1, 3), (4, 5)}?
A) {0, 2}
B) {0, 2, -1, 4}
C) {3}
D) {1, 3, 5}
  • 5. What is the range of this function: {(4, 8), (9, 2), (-3, -4)}
A) {4, 9, -3}
B) {(4, 8), (9, 2), (-3, -4)}
C) {8, 2, -4}
D) {8}
  • 6.
A) D
B) C
C) B
D) A
  • 7. Which of the following relations is a function?
A) {(0, 0), (0, 1), (1, 2)}
B) {(1, 1), (1, 2), (1, 3)}
C) {(3, 1), (4, 1), (3, 2)}
D) {(0, 0}, (1, 2), (2, 3)}
  • 8. Which of the following relations is a function?
A) {(1, 2), (-1, 3), (-1, 8)}
B) {(0, 4), (5, 6), (5, 8)}
C) {(1, 2), (2, 2), (3, 4)}
D) {(3,7), (3, 6), (5, 3)}
  • 9.
A) D
B) C
C) A
D) B
  • 10. Is it a function?
A) no
B) yes
  • 11. Is it a function?
A) no
B) yes
  • 12. Is it a function?
A) no
B) yes
  • 13. What is the domain of the graph?
A) 0<y<9
B) 0<x<9
C) 1<y<4
D) 1<x<4
  • 14. Is it a function?
A) no
B) yes
Altres proves d'interés :
Lesson Exponents Zero and Neg
Quiz 7a: relations and functions
Functions #3
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