Domain and Range Answers

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1
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Which of the following relations represents a function?

A
{ (2, 3), (1, 3), (3, 3) }
B
{ (1, 3), (2, 3), (2, 4) }
C
{ (1, 3), (2, 3), (1, 4) }
D
{ (2, 2), (2, 3), (2, 1) }
2
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Which of the following graphs is not a function? a. c. b. d. Please select the best answer from the choices provided

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A
A
B
B
C
C
D
D
3

What is the domain of the relation {(3, 4), (1, 3), (1, 4), (5, 2)}?

A
{ 3 }
B
{ 2, 3, 4 }
C
{ 1, 2, 3, 4, 5 }
D
{ 1, 3, 5 }

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