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Graph .f(x) = -2x 2 - x + 15 x 2 - x - 12 . What is the domain (expressed in interval notation)? Does a hole exist in the graph?

 Graph .f(x)  =   -2x2 - x + 15

                         x2 - x - 12 .      What is the domain (expressed in interval notation)? Does a hole exist in the graph? If so, then what are the coordinates of the hole? You must show all work to includes clearly defining the graph and showing it's coordinates.  The x-values cannot include -2, -1, 1, 3, and 5.


 

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Solution: a) Domf:  ( − ∞ , − 3 ) ∪ ( − 3 , 4 ) ∪ ( 4 , + ∞ ) ... View the full answer

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