What is the measurement of x
2 answers:
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Answer:
15. It is a function
16. It is a function
Mapping diagram is attached for reference.
Step-by-step explanation:
Mapping diagram is a set of two parallel columns.
The first column includes the 'domain'.
And the second column includes the 'range'.
A relation is a function,
if every domain () has only one range (
)
The given coordinates in the set form are in the form ()
15. We observe that each '' is attached to only one '
'
Therefore this relation is a function.
16. We observe that here also each '' is attached to only one '
'
Therefore this relation is also a function.
