Name: 
 

Defining Functions



 1 

Given the relation mc001-1.jpg, which value of k will result in the relation not being a function?
a)
1
c)
3
b)
2
d)
4
 

 2 

The relation defined by the set of ordered pairs mc002-1.jpg is not a function.  Which of the ordered pairs listed below, if omitted from this relation, will make the resulting set a function?
a)
mc002-2.jpg
c)
mc002-4.jpg
b)
mc002-3.jpg
d)
mc002-5.jpg
 

 3 

Given the relation mc003-1.jpg.  Which replacement for a makes this relation a function?
a)
1
c)
0
b)
mc003-2.jpg
d)
4
 



 
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