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user100 [1]
3 years ago
10

Which of the following sets represents a function?

Mathematics
2 answers:
lianna [129]3 years ago
6 0
The 1st set has 5 different values of +y+
for +x+=+1+ and violates definition
--------------
The 2nd set is a function
-----------------------
The 3rd set has

( 1,2 ) & ( 1,1 )
( 2,3 ) & ( 2,2 )
( 3,4 ) & ( 3,3 )
Each of these pairs violates the definition
----------------
The 4th set has ( 2,-7 ) & ( 2,0 ) which
violate definition
Ksivusya [100]3 years ago
3 0
<span>{(1, 2), (3, 2), (5, 7)} I think that is right.

</span>
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