State the domain and the range of each relation. Then determine whether the relation is a function.
2 answers:
Answer:
{ }
{ }
The relation is not a function.
Step-by-step explanation:
By definition, a relation is a function if each input value has only one output value.
Given the relation:
(4,23)
(3,-2)
(-6,5)
(4,6)
The domain is the set of the x-coordinates of each ordered pair (You do not need to write 4 twice):
{ }
The range is the set of the y-coordinates of each ordered pair :
{ }
Since the input value 4 has two different output values (23 and 6), the relation is not a function.
Answer:
See below.
Step-by-step explanation:
The Domain = {-6, 3, 4}.
The Range = {-2, 5, 6, 23}.
The relation is NOT a function because 4 in the domain maps to 6 and 23. In a function an element in the domain must map to one element only in the range.
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