| A | B |
|---|
| Relation | a mapping of input values with output values |
| Function | for every input there is exactly one output |
| Domain | set of input values (x) |
| Range | set of output values (y) |
| vertical line test | if no vertical line intersects a function at more than one point |
| linear function | in the form y = mx + b |
| function notation | f(x) = mx + b |
| independent variable | input variable in an equation (usually x) |
| dependent variable | output variable in an equation (usually y) |
| ordered pair | input/output values in form (x, y) |
| coordinate plane | interesection of horizontal and vertical number lines |
| origin | (0, 0) where x & y axis intersect |
| x axis | horizontal number line |
| y axis | vertical number line |
| x coordinate | x value in an ordered pair |
| y coordinate | y value in an ordered pair |
