Here are the matches between the keywords and their definitions:
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Vertical
Definition: Straight up and down. On a coordinate plane, the equation of this type of line is x = a, where a is a constant. -
Vertical Line Test
Definition: A method for testing whether a given graph is that of a function. If a vertical line can be drawn that intersects the graph at two or more points, then the graph is not a function. If no such line can be drawn, the graph is a function. -
Input-Output Table
Definition: A two-column table whose first column contains input values of a function and whose second column contains output values. The values in the first column are elements of the function's domain, and the values in the second column are elements of the function's range.