SOLUTION: Describe what are the graphs of the intervals [-4,10], (-4, 10], [-4, 10) and (-4, 10) looks like. Are these graphs in the xy-plane or on the number line?

Question 393551: Describe what are the graphs of the intervals [-4,10], (-4, 10], [-4, 10) and (-4, 10) looks like. Are these graphs in the xy-plane or on the number line?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
They're on a number line. The [ and ] represent "greater than or equal to" (or less than or equal to); ( and ) represent "strictly greater than" (or strictly less than). The interval [-4, 10] denotes a set of all real numbers between -4 and 10, inclusive. (-4, 10] denotes the set of all numbers strictly greater than -4 and less than or equal to 10.
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