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Interval Graph

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Let a and b be real numbers, or possibly positive or negative infinity, with a<=b. An interval from a to b is the set of all real numbers between a and b and possibly including a or b. The values a and b are called the endpoints of the interval.

Let f(x) be a function. Then the graph of f(x), sometimes called a curve, is the set of points (x, f(x)) for all x in the domain of f(x).

Details

concepts involved | set
related concepts | closed interval | open interval

Associated people

Gottfried Leibniz | Leonhard Euler

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