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Question 414264: Describe what the graph of interval [-4, 10] looks like?
Answer by Edwin McCravy(20056)   (Show Source):
You can put this solution on YOUR website!
The graph of [4,10] looks like this:
---------●=======================================================●------
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12
because it has brackets on the end and so it includes both its end points.
If the interval had been (4,10) it would not have included its endpoints
and have had open circles at the end points:
---------o=======================================================o------
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12
If the interval had been [4,10) it would have included the left endpoint
and not have included the right end point:
---------●=======================================================o------
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12
If the interval had been (4,10] it would have included the right endpoint
and not have included the left end point:
---------o=======================================================●------
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12
Edwin
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