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Math 1311 Section 1.2 Functions Given by Tables Sometimes we work with functions for which we do not know a formula. In this case, many times we use a table of values to show the value of the function for specific values of the independent variables. Why tables Advantages Tables are how we can organize experimental data for which the relationship is not known in formula form. Tables provide an easy to see relationship between quantities, since evaluating a formula is not always easy. It is often easier to spot trends in tabular data. Disadvantages There are only finitely many values of the function known; we do not necessarily know what happens in the gaps. To use the table to guess what will happen in the future, you must ass