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Preview of finite intervals
The next chart (where a,\:b are real numbers and that a<b gives a preview of finite intervals. If any of these types is not clear or you don't know how to correctly graph the interval on the real number line or write it in set-builder notation, take a look at the next lines under the chart, where I will explain it thoroughly. If you understand, you can skip to page 92, where a preview of finite intervals is presented.
