Posted by eric on Saturday, October 20, 2007 at 1:45pm.
Graphing it on your graphing calculator?
Or
Graphing it on paper?
On paper, you have zeros at -3, -1, and at x=2 At large negative x, (check me), the fuction is positive.
At x between -3 and -1, it is negative, nad between x of -1 and 2 it is positive, and greater than two it is positive. That ought to get you started. Make a table of values to fill in the details.
The graphing calc makes all this so easy.
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