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Which relations are functions? Select Function or Not a function for each graph.

Which relations are functions? Select Function or Not a function for each graph.
46.9k views
3 votes
Which relations are functions?

Select Function or Not a function for each graph.

Which relations are functions? Select Function or Not a function for each graph.-example-1
Which relations are functions? Select Function or Not a function for each graph.-example-1
Which relations are functions? Select Function or Not a function for each graph.-example-2
Which relations are functions? Select Function or Not a function for each graph.-example-3
Which relations are functions? Select Function or Not a function for each graph.-example-4
User Omokehinde Igbekoyi
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7.8k points

2 Answers

2 votes

Answer: 1 and 2 are functions. 3 and 4 are NOT functions.

Step-by-step explanation: because

User Ldmat
by
8.4k points
5 votes

A function is a relation that associates each element x of a set X, to a single element y of another set Y.

Graph #4 is not a function. For x = 4 we have y = -2 and y = 2.

User Pkis
by
8.3k points
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