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Linear functions
Term | Definition |
---|---|
dependent variable | the variable in a function that represents the output values, or the second coordinate in the ordered pairs |
independent variable | the variable in a function that represents the input values, or the first coordinate in the ordered pairs |
initial value | the output of a function when the input is zero |
linear function | a function that can be written in the form y = mx + b, where m and b are real numbers; consists of a set of ordered pairs all lying on the same line |
rate of change | in a function, the ratio of the change in the dependent value with respect to the change in the independent value |
piecewise function | a function that is defined differently over separate parts of its domain |