What is the domain of this relation?

(5,8), (7,12), (9,16), (11,20)

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Is this relation a function?
What is the range of this relation?

(0,1), (1,1), (2,2), (3,2), (4,3), (5,3)

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A.)  Is this a function? Why?

(2,3), (4,6), (6,9), (8,12)

B.)  Is this a function? Why?

(4,3), (4,-3), (5,5), (5,-5)

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Is this a relation, a function
or neither? Why?

5.6, 6.7, 7.8, 8.9, 9.0
 

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Choose the rule for a relation
that describes this table of values:

a.) The domain is the absolute value of the range.

b.) The range is the absolute value of the domain.

c.) The domain is the opposite of the range.

d.) The range is the opposite of the domain.

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