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Noun: linear function
  1. A mathematical function whose graph (in Cartesian coordinates with uniform scales) is a line in the plane.
    "The height (in centimetres) of a candle is a linear function of the amount of time (in hours) it has been burning."

Derived forms: linear functions

Type of: function, map, mapping, mathematical function, single-valued function

Part of: linear regression, rectilinear regression

Encyclopedia: Linear function