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Question 1094151: Sketch graphs of functions with the following characteristics:
Linear graph with an x-intercept at -2. The graph is positive for x<-2 and negative for x>-2
Answer by josgarithmetic(39617)   (Show Source):
You can put this solution on YOUR website! Assign ANY other point you want along with (-2,0) so that the slope is negative.
An example (and just one of infinite examples) is (0,-1) with (-2,0); or another example can be (5,-2) with (-2,0). You can find the equation for the line of either pair of points.
That only explains how to pick a useful point. You can do the rest of finding the corresponding equation.
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