Which of these graphs represents a function
1 answer:
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First we are going to group the terms that contains the common factor 
in one parenthesis, and the other ones in another parenthesis:
Notice that our the terms in our first parenthesis have a common factor, and the terms in our second one have the common factor 
. Lets factor those out:
Now we have a common factor
in both terms, so we can factor those out as well:
We can conclude that the completely factored expression ordered alphabetically is
.
Notice that our the terms in our first parenthesis have a common factor
Now we have a common factor
We can conclude that the completely factored expression ordered alphabetically is